20007+2243 BAK   1 (V452 Vul)

 
 
20h 00m 43.71s +22 42' 39.1" P.A. 244.00 sep 11.4 mag 7.78,14.70 Sp K0V+M4V dist. 19.45 pc (63.45 l.y.)
 
 
Coord 2000
20007+2243
Discov num
BAK   1
Comp
Coord arcsec 2000
20 00 43.71 +22 42 39.1
Date first
1999
Date last
2015
Obs
4
Pa first
244
Pa last
244
P.A. Now (θ)
244°
Sep first
11.3
Sep last
11.4
Sep. Now (ρ)
11.4"
Mag pri
7.78
Mag sec
14.70
delta mag (ΔM)
6.92
Spectral class
K0V+M4V (yellow-orange/red)
Pri motion ra
-002
Sec motion ra
-004
Pri motion dec
-250
Sec motion dec
-264
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.054 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244.3
Precise sep
11.438
Var name
V452 Vul
Constellation
Vulpecula
SAO
88060
HIP
98505
Tycho2
2141-00972-1
Gaia DR2
16201846144
HD
189733
GL
NN 4130
BD
BD+22 3887
Distance
19.45
Distance ly
63.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20007+2243 BAK 1 2001 2 243 11.4 7.78 14.70 K0V+M4V 200043.71+224239.1
20007+2243 BAK 1 2015 3 244 11.4 7.78 14.70 K0V+M4V N 200043.71+224239.1

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