PG 1644+404

Query : PG 1644+404

Basic data :
PG 1644+404 -- Hot Subdwarf
Other object types: otypes_help 		HS* (1986ApJS), * (2010A&A,FBS,...), UV (GALEX,KUV,...), blu (2019A&A), Opt (LAMOST,SDSS), Em* (2023ApJS), NIR (2MASS)
ICRS coord. (ep=J2000) : 		16 46 09.1350267168 +40 17 25.420967664 (Optical) [ 0.0215 0.0284 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		16 44 29.1743978436 +40 22 45.791900098 [ 0.0215 0.0284 90 ]
Gal coord. (ep=J2000) : 		064.1372912614075 +40.3733817369285 [ 0.0215 0.0284 90 ]
Proper motions mas/yr : 		-17.226 7.070 [0.027 0.034 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 29.21 [1] / z(spectroscopic) 0.000097 [0.000003] / cz 29.21 [1.00]
   (Opt) B 2023ApJS..264...17Z
Parallaxes (mas): 		1.2784 [0.028] A 2020yCat.1350....0G
Spectral type: 		sdB1.5VIIHe2 B 2013A&A...551A..31D
Fluxes (11) :
B 15.40 [~] E ~
V 14.101 [~] D 2016ApJ...818..202L
G 14.079659 [0.002847] C 2020yCat.1350....0G
J 14.733 [0.032] C 2003yCat.2246....0C
H 14.824 [0.064] C 2003yCat.2246....0C
K 14.802 [0.101] C 2003yCat.2246....0C
u (AB) 13.64 [0.02] C 2011MNRAS.417.1210G
g (AB) 13.92 [0.01] C 2011MNRAS.417.1210G
r (AB) 14.32 [0.01] C 2011MNRAS.417.1210G
i (AB) 14.68 [0.01] C 2011MNRAS.417.1210G
z (AB) 15.03 [0.02] C 2011MNRAS.417.1210G
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Identifiers (13) :
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2MASS J16460913+4017255 KUV 16445+4023 TIC 57257430 Gaia DR2 1355775219474985856
FBS 1644+404 LAMOST J164609.24+401725.5 [CCH92] 1644.5+4022
FBS B 144 PG 1644+404
GALEX J164609.2+401725 SDSS J164609.13+401725.4 Gaia DR3 1355775219474985856

References (30 between 1850 and 2026) (Total 30)
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 : 5    Distance : 2    Fe/H : 6    Plx : 2    PM : 4    SpT : 10   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : PG 1644+404

Link by name to the catalogue in VizieR :

2MASS J16460913+4017255 FBS 1644+404 FBS B 144 GALEX J164609.2+401725 PG 1644+404
SDSS J164609.13+401725.4 Gaia DR3 1355775219474985856 Gaia DR2 1355775219474985856

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