19491+1720 BPM1638

 
 
19h 49m 07.00s +17 19' 51.8" P.A. 12.00 sep 96.4 mag 15.64,15.71
 
 
Coord 2000
19491+1720
Discov num
BPM1638
Comp
Coord arcsec 2000
19 49 07.00 +17 19 51.8
Date first
1988
Date last
2015
Obs
9
Pa first
12
Pa last
12
P.A. Now (θ)
12°
Sep first
95.8
Sep last
96.4
Sep. Now (ρ)
96.4"
Mag pri
15.64
Mag sec
15.71
delta mag (ΔM)
0.07
Spectral class
Pri motion ra
+013
Sec motion ra
+005
Pri motion dec
-006
Sec motion dec
+013
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.44
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.5
Precise sep
96.376
Constellation
Sagitta
Tycho2
1619-03378-1
Gaia DR2
52045074304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19491+1720 BPM1638 1999 2 12 96.3 15.64 15.71 NV 194907.00+171951.8
19491+1720 BPM1638 2001 3 12 96.3 15.64 15.71 NV 194907.00+171951.8
19491+1720 BPM1638 2010 4 12 96.2 15.64 15.71 NV 194907.00+171951.8
19491+1720 BPM1638 2015 5 12 96.3 15.64 15.71 NV 194907.00+171951.8

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