20007+3130 BRT 273

 
 
20h 00m 43.92s +31 29' 49.5" P.A. 74 sep 4.1 mag 9.91,12.20 Sp K2
 
 
Coord 2000
20007+3130
Discov num
BRT 273
Comp
Coord arcsec 2000
20 00 43.92 +31 29 49.5
Date first
1902
Date last
2007
Obs
3
Pa first
74
Pa last
74
P.A. Now (θ)
74°
Sep first
5.2
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
9.91
Mag sec
12.20
delta mag (ΔM)
2.29
Spectral class
K2 (yellow-orange)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
74.2
Precise sep
4.14
Constellation
Cygnus
SAO
69248
Tycho2
2670-02478-1
HD
331710
last precise pa
74.2
last precise sep
4.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20007+3130 BRT 273 2007 3 74 4.1 9.91 12.20 K2 200043.92+312949.5

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