15499+1512 BPM 639

 
 
15h 49m 52.61s +15 11' 41.8" P.A. 281 sep 70.6 mag 11.97,14.54
 
 
Coord 2000
15499+1512
Discov num
BPM 639
Comp
Coord arcsec 2000
15 49 52.61 +15 11 41.8
Date first
1985
Date last
2010
Obs
4
Pa first
281
Pa last
281
P.A. Now (θ)
281°
Sep first
70.9
Sep last
70.6
Sep. Now (ρ)
70.6"
Mag pri
11.97
Mag sec
14.54
delta mag (ΔM)
2.57
Spectral class
Pri motion ra
-017
Sec motion ra
-015
Pri motion dec
-010
Sec motion dec
+005
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.767
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.1
Precise sep
70.6
Constellation
Serpens
last precise pa
281.1
last precise sep
70.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15499+1512 BPM 639 1999 2 281 70.7 12.12 14.81 NV 154952.61+151141.8
15499+1512 BPM 639 2001 3 281 70.7 12.12 14.81 NV 154952.61+151141.8
15499+1512 BPM 639 2010 4 281 70.6 11.97 14.54 NV 154952.61+151141.8

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