* pi.01 UMa

Query : * pi.01 UMa

Basic data :
* pi.01 UMa -- 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:
* (2013A&A,*,...), X (2015A&A,1AXG,...), UV (2EUVE,EUVE,...), IR (IRAS,2MASS,...), V* (NSV,V*), BY* (2017ARep), PM* (2018yCat), Ro* (1996ApJ)
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) :
08 39 11.7046112880 +65 01 15.263122512 (Optical) [ 0.0203 0.0372 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) :
08 34 46.6929213293 +65 11 44.794531307 [ 0.0203 0.0372 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) :
150.5517200939121 +35.7041974590831 [ 0.0203 0.0372 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 :
-27.274 87.881 [0.024 0.049 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) -12.826 [0.0025] / z(spectroscopic) -0.000043 [0.000000] / cz -12.83 [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):
69.2576 [0.0485] 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:
G0.5V C 2001AJ....121.2148G
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 (9) :
U 6.33 [~] C 2002yCat.2237....0D
B 6.26 [~] C 2002yCat.2237....0D
V 5.64 [~] C 2002yCat.2237....0D
R 5.12 [~] C 2002yCat.2237....0D
G 5.498977 [0.002796] C 2020yCat.1350....0G
I 4.79 [~] C 2002yCat.2237....0D
J 4.55 [~] C 2002yCat.2237....0D
H 4.282 [0.036] C 2003yCat.2246....0C
K 4.173 [0.036] C 2003yCat.2246....0C
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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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 ) :

: 1 : 94 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (55) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* 3 UMa GCRV 5666 PLX 2047.1 TIC 417762326
* pi.01 UMa GEN# +1.00072905 PLX 2047.10 TYC 4133-1971-1
AG+65 441 GJ 311 PPM 16705 UBV 8155
1AXG J083912+6500 GSC 04133-01971 RBS 714 UBV M 14477
BD+65 643 1H 0833+654 2RE J0839+650 uvby98 100072905
1E 0834.7+6512 HD 72905 2RE J083915+650149 V* pi.01 UMa
1E 0834.8+6512 HIC 42438 ROT 1354 WEB 8162
2E 2018 HIP 42438 RX J0839.1+6501 WISEA J083911.68+650116.0
2E 0834.7+6511 HR 3391 RX J0839.2+6501 WISE J083911.67+650116.5
1ES 0834+65.1 IRAS 08347+6511 1RXS J083912.0+650118 [ZEH2003] RX J0839.2+6501 1
2EUVE J0839+65.0 JP11 1687 SAO 14609 Gaia EDR3 1092545710514654464
EUVE J0839+65.0 2MASS J08391162+6501151 SKY# 16549 Gaia DR1 1092545706218403072
EUVE J0839+64.9 N30 2004 SPOCS 2720 Gaia DR2 1092545710514654464
GC 11817 NSV 17937 TD1 12726

References (542 between 1850 and 2022) (Total 542)
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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Collections of Measurements


velocities : 15    V* : 2    distance : 2    ROT : 8    Fe_H : 45    PLX : 6    PM : 7    MK : 6   

   

Observing logs


herschel : 2    ISO : 2    IUE : 35    XMM : 2   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : * pi.01 UMa

Link by name to the catalogue in VizieR :

AG+65 441 BD+65 643 2E 2018 EUVE J0839+65.0 EUVE J0839+64.9
GJ 311 GSC 04133-01971 HD 72905 HIC 42438 HIP 42438
HR 3391 IRAS 08347+6511 2MASS J08391162+6501151 NSV 17937 PPM 16705
2RE J0839+650 2RE J083915+650149 1RXS J083912.0+650118 SAO 14609 TD1 12726
TYC 4133-1971-1 uvby98 100072905 V* pi.01 UMa WISEA J083911.68+650116.0 WISE J083911.67+650116.5
Gaia EDR3 1092545710514654464 Gaia DR1 1092545706218403072 Gaia DR2 1092545710514654464

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2022.08.10-16:47:12

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