HD 7895

Query : HD 7895
C.D.S. - SIMBAD4 rel 1.7 - 2019.12.15CET11:15:26

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
HD 7895 -- Double or multiple star
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:
* (Ref,AG,...), PM* (Ref,Ci,...), ** (CCDM,**,...), IR (2MASS,WISEA), X (2XMM)
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) :
01 18 41.0987341788 -00 52 03.238932939 (Optical) [ 0.0477 0.0370 90 ] A 2018yCat.1345....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) :
01 16 06.2841446731 -01 07 36.280906959 [ 0.0477 0.0370 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) :
138.0415087460522 -62.9372402394621 [ 0.0477 0.0370 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 :
432.467 -253.254 [0.100 0.076 90] A 2018yCat.1345....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) 16.37 [0.09] / z(spectroscopic) 0.000055 [0.000000] / cz 16.37 [0.09]
   (Opt) A 2018A&A...619A..81H
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):
36.2671 [0.0566] A 2018yCat.1345....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:
K1V C 1967AJ.....72.1334C
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 (12) :
B 9.19 [0.30] D 2012yCat.1322....0Z
V 8.68 [0.46] D 2012yCat.1322....0Z
R 8.75 [0.16] E 2012yCat.1322....0Z
G 7.7869 [0.0003] C 2018yCat.1345....0G
J 6.537 [0.017] C 2003yCat.2246....0C
H 6.155 [0.031] C 2003yCat.2246....0C
K 6.039 [0.023] C 2003yCat.2246....0C
u (AB) 10.729 [0.001] C 2009yCat.2294....0A
g (AB) 12.139 [0.005] C 2009yCat.2294....0A
r (AB) 12.027 [0.007] C 2009yCat.2294....0A
i (AB) 14.652 [0.019] D 2009yCat.2294....0A
z (AB) 12.636 [0.01] C 2009yCat.2294....0A
SIMBAD with radius arcmin
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within radius 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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (49) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

CCDM J01187-0052A G 271-32 PLX 269 WDS J01187-0052A
** EGN 1 GJ 56.3 A PM 01161-0108 WDS J01187-0052Aa,Ab
** HJ 5453A GJ 9052 A PM J01186-0052N WEB 1377
ADS 1057 A HD 7895 PPM 174875 WISEA J011841.39-005205.8
AG-01 114 HIC 6130 SAO 129219 2XMM J011841.2-005204
AGKR 1123 HIP 6130 SDSS J011841.13-005205.9 YZC 21 243
BD-01 167 IDS 01135-0123 A SKY# 1978 YZ 0 3339
Ci 20 94 LFT 124 SRS 3710 YZ 91 243
CSI-01 167 1 LHS 1230 TYC 4682-1278-1 Gaia DR2 2533723670313663872
GC 1582 LPM 68 UBV 1396 Gaia DR1 2533723666018385408
GCRV 754 LTT 723 UBV M 8091
GEN# +1.00007895A 2MASS J01184107-0052030 UCAC4 446-001679
G 70-51 NLTT 4362 uvby98 100007895 A

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References (81 between 1850 and 2020) (Total 81)
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


distance : 1    velocities : 9    PM : 11    Fe_H : 4    PLX : 4    MK : 3   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HD 7895

Link by name to the catalogue in VizieR :

CCDM J01187-0052A AG-01 114 BD-01 167 G 70-51 G 271-32
GJ 56.3 A GJ 9052 A HD 7895 HIC 6130 HIP 6130
LHS 1230 2MASS J01184107-0052030 NLTT 4362 PLX 269 PPM 174875
SAO 129219 SDSS J011841.13-005205.9 TYC 4682-1278-1 UCAC4 446-001679 uvby98 100007895 A
WDS J01187-0052A WDS J01187-0052Aa,Ab WISEA J011841.39-005205.8 YZC 21 243 Gaia DR2 2533723670313663872
Gaia DR1 2533723666018385408

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The list of all annotations to SIMBAD objects can be found here .

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2019.12.15-11:15:26

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