* sig Gem

Query : * sig Gem

Basic data :
* sig Gem -- RS CVn 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:
RS* (), * (*,AG,...), X (AT,2E,...), SB* (CABS,CCABS,...), PM* (2018yCat,LSPM,...), UV (2EUVE,EUVE,...), ** (CCDM,IDS,...), IR (IRAS,IRC,...), V* (V*), Rad (FIRST), NIR (2MASS), ev (2011ApJ)
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) :
07 43 18.7276907303 +28 53 00.631838445 (Optical) [ 0.3021 0.3242 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) :
07 40 11.3856921626 +29 00 22.500876963 [ 0.3021 0.3242 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) :
191.1894312768957 +23.2744815258725 [ 0.3021 0.3242 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 :
61.692 -229.213 [0.270 0.252 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) 44.15 [0.09] / z(~) 0.000147 [0.000000] / cz 44.15 [0.09]
   A 2004MNRAS.349.1069K
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):
27.1210 [0.3066] 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:
K1IIIe C 1989ApJS...71..245K
Syntax of angular size is : "maj-axis min-axis angle (wtype) quality bibcode"
  • maj-axis : major axis size (arc minutes)
  • min-axis : minor axis size (arc minutes)
  • angle : orientation angle (in degrees)
  • (wtype) : wavelength class for the origin of the angular size (Rad, mm, IR, Opt, UV, Xray, Gam)
  • quality : flag of quality of the angular size values ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the angular size reference
Angular size (arcmin):
0.0752 0.0678 59 (Rad) D 2012yCat.8090....0B
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 6.38 [~] C 2002yCat.2237....0D
B 5.41 [~] C 2002yCat.2237....0D
V 4.29 [~] C 2002yCat.2237....0D
R 3.37 [~] C 2002yCat.2237....0D
G 3.968050 [0.005990] C 2022yCat.1355....0G
I 2.79 [~] C 2002yCat.2237....0D
J 2.35 [~] C 2002yCat.2237....0D
H 1.799 [0.192] D 2003yCat.2246....0C
K 1.65 [~] C 2002yCat.2237....0D
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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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The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (61) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* sig Gem FIRST J074318.6+285302 PLX 1821 TIC 95286503
* 75 Gem GC 10373 PPM 97883 TYC 1924-2022-1
AG+29 890 GCRV 5136 RAFGL 1174 UBV 7398
ASCC 674632 GEN# +1.00062044 2RE J074317+285304 UBV M 13527
AT 0737+270 HD 62044 2RE J0743+285 USNO-B1.0 1188-00152360
BD+29 1590 HIC 37629 RE J0743+285 uvby98 100062044
CABS 73 HIP 37629 RE J074317+285303 V* sig Gem
CCABS 60 HR 2973 ROT 1245 WDS J07433+2853A
CCDM J07433+2854A IDS 07371+2907 A RX J0743.3+2853 WEB 7440
CMC 203994 IRAS 07401+2900 1RXS J074318.7+285306 YPAC 147
CSI+29 1590 1 IRC +30191 SAO 79638 YZ 29 4132
2E 1861 JP11 1586 SBC7 319 Gaia DR2 878467085734742400
2E 0740.2+2900 LSPM J0743+2853 SBC9 470 Gaia DR3 878467085735262720
1ES 0740+29.0 LTT 12061 SKY# 14262
2EUVE J0743+28.8 2MASS J07431872+2853009 SV* ZI 651
EUVE J0743+28.8 NLTT 18323 TD1 10768

References (482 between 1850 and 2024) (Total 482)
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    diameter : 1    distance : 2    ROT : 3    Fe_H : 8    PLX : 4    PM : 5    MK : 10   

   

Observing logs


IUE : 70    XMM : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : * sig Gem

Link by name to the catalogue in VizieR :

AG+29 890 BD+29 1590 CABS 73 CCDM J07433+2854A 2E 1861
EUVE J0743+28.8 FIRST J074318.6+285302 HD 62044 HIC 37629 HIP 37629
HR 2973 IRAS 07401+2900 IRC +30191 LSPM J0743+2853 2MASS J07431872+2853009
NLTT 18323 PLX 1821 PPM 97883 RAFGL 1174 2RE J074317+285304
2RE J0743+285 1RXS J074318.7+285306 SAO 79638 TD1 10768 TYC 1924-2022-1
USNO-B1.0 1188-00152360 uvby98 100062044 V* sig Gem WDS J07433+2853A Gaia DR2 878467085734742400
Gaia DR3 878467085735262720

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