HD 28099

Query : HD 28099

Basic data :
HD 28099 -- BY Dra Variable
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
* (2009A&A,HD,...), X (2E,1RXS,...), ** (**,WDS), V* (V*,AAVSO), BY* (2017ARep), PM* (2018yCat), IR (2MASS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) :
04 26 40.1217122952 +16 44 48.885808416 (Optical) [ 0.0304 0.0147 90 ] A 2020yCat.1350....0G
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) :
04 23 47.6617551433 +16 38 07.733263438 [ 0.0304 0.0147 90 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) :
179.2893394813612 -21.8301657316813 [ 0.0304 0.0147 90 ]
Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode"
  • pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr)
  • pm-dec : mu-dec (expressed in the ICRS system in mas/yr)
  • [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the proper motion reference
Proper motions mas/yr :
107.472 -31.531 [0.039 0.026 90] A 2020yCat.1350....0G
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz :
V(km/s) 38.488 [0.0025] / z(spectroscopic) 0.000128 [0.000000] / cz 38.49 [0.00]
   (Opt) A 2018A&A...616A...7S
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas):
21.8521 [0.0344] A 2020yCat.1350....0G
Spectral type is made of 3 parts: %coding is composed of 4 parts :
  • the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities;
  • a quality letter: A=best quality→E=worst quality, {� } =unknown quality %
  • a quality letter: A=best quality -> E=worst quality, {� } =unknown quality
  • bibcode : bibcode of the spectral type reference
Spectral type:
G2+V C 1989ApJS...71..245K
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (14) :
U 8.98 [~] C 2002yCat.2237....0D
B 8.78 [~] C 2002yCat.2237....0D
V 8.12 [~] C 2002yCat.2237....0D
R 7.56 [~] C 2002yCat.2237....0D
G 7.950683 [0.002781] C 2020yCat.1350....0G
I 7.23 [~] C 2002yCat.2237....0D
J 6.893 [0.023] C 2003yCat.2246....0C
H 6.643 [0.036] C 2003yCat.2246....0C
K 6.547 [0.021] C 2003yCat.2246....0C
u (AB) 10.367 [0.001] C 2009ApJS..182..543A
g (AB) 12.602 [0.006] C 2009ApJS..182..543A
r (AB) 12.078 [0.006] C 2009ApJS..182..543A
i (AB) 12.064 [0.01] C 2009ApJS..182..543A
z (AB) 9.325 [0.001] C 2009ApJS..182..543A
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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sedIcon
within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 : 1640 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (43) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 28099 GCRV 2584 SAO 93936 WDS J04267+1645AB
** GUE 4 GEN# +5.20250064 SDSS J042640.15+164448.8 WEB 3978
AG+16 374 GSC 01265-00241 SPOCS 2622 2XMM J042640.1+164449
BD+16 601 HIC 20741 TIC 60903802 YZ 16 1178
Cl* Melotte 25 S 95 HIP 20741 TYC 1265-241-1 [JHC84] 43
Cl* Melotte 25 VA 400 JP11 4852 UBV 4277 [RSP2011] 330
Cl* Melotte 25 HAN 388 LP 16-601 UBV M 41270 AAVSO 0421+16
Cl* Melotte 25 REID 235 2MASS J04264010+1644488 UCAC4 534-008722 Gaia DR3 3313689422030650496
Cl Melotte 25 64 PLX 980.01 uvby98 520251400 Gaia DR1 3313689417734366720
2E 1037 PPM 119900 uvby98 520250064 Gaia DR2 3313689422030650496
2E 0423.7+1638 1RXS J042640.3+164430 V* V911 Tau

References (391 between 1850 and 2022) (Total 391)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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                 or select by : (not exhaustive, explanation here)


Collections of Measurements


velocities : 14    V* : 1    distance : 2    ROT : 6    Fe_H : 31    PLX : 7    PM : 4    MK : 2   

   

Observing logs


IUE : 19   

   


External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : HD 28099

Link by name to the catalogue in VizieR :

HD 28099 AG+16 374 BD+16 601 2E 1037 GSC 01265-00241
HIC 20741 HIP 20741 2MASS J04264010+1644488 PPM 119900 1RXS J042640.3+164430
SAO 93936 SDSS J042640.15+164448.8 TYC 1265-241-1 UCAC4 534-008722 uvby98 520251400
uvby98 520250064 V* V911 Tau WDS J04267+1645AB Gaia DR1 3313689417734366720 Gaia DR2 3313689422030650496

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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2022.08.17-18:10:41

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