HD 172447

Query : HD 172447

Basic data :
HD 172447 -- Double or Multiple Star
Other object types: otypes_help 		* (CD,CPC,...), ** (CCDM,**,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		18 43 25.4497766 -55 46 01.483345 (Optical) [ 0.80 0.62 90 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		18 39 14.9882265 -55 48 57.438397 [ 0.80 0.62 90 ]
Gal coord. (ep=J2000) : 		339.9804067568 -21.0685632026 [ 0.80 0.62 90 ]
Proper motions mas/yr : 		-4.89 -76.68 [0.92 0.65 90] A 2007A&A...474..653V
Radial velocity / Redshift / cz : 		V(km/s) -2.90 [0.3] / z(~) -0.000010 [0.000001] / cz -2.90 [0.30]
   A 2006AstL...32..759G
Parallaxes (mas): 		16.03 [0.94] A 2007A&A...474..653V
Spectral type: 		F7V C 1975MSS...C01....0H
Angular size (arcmin): 		0.0033 0.0 355 (Opt) D 2001AJ....122.3466M
Fluxes (6) :
B 8.18 [0.02] D 2000A&A...355L..27H
V 7.64 [0.01] D 2000A&A...355L..27H
G 7.848889 [0.017077] C 2022yCat.1355....0G
J 6.617 [0.021] C 2003yCat.2246....0C
H 6.365 [0.027] C 2003yCat.2246....0C
K 6.290 [0.020] C 2003yCat.2246....0C
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Identifiers (22) :
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CCDM J18434-5546AB GC 25573 2MASS J18432545-5546015 uvby98 100172447
** B 398 GSC 08762-02325 PPM 347093 WDS J18434-5546AB
** HJ 5053AB HD 172447 SAO 245656 Gaia DR2 6649812789684607488
CD-55 7861 HIC 91837 SKY# 34378 Gaia DR3 6649812789684607488
CPC 19 7420 HIP 91837 TIC 120394040
CPD-55 8807 IDS 18351-5552 AB TYC 8762-2325-1

References (33 between 1850 and 2026) (Total 33)
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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Collections of Measurements Description of Measurements

Velocities : 3    Rot : 1    Fe/H : 1    Plx : 3    PM : 4    SpT : 2   

   

External archives :

Link by name to the catalogue in VizieR :

CCDM J18434-5546AB CD-55 7861 CPD-55 8807 GSC 08762-02325 HD 172447
HIC 91837 HIP 91837 2MASS J18432545-5546015 PPM 347093 SAO 245656
TYC 8762-2325-1 uvby98 100172447 WDS J18434-5546AB Gaia DR2 6649812789684607488 Gaia DR3 6649812789684607488

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