16176+0002 BAL1180

 
 
16h 17m 38.14s +00 01' 56.0" P.A. 310 sep 19.7 mag 9.74,13.08 Sp A2
 
 
Coord 2000
16176+0002
Discov num
BAL1180
Comp
Coord arcsec 2000
16 17 38.14 +00 01 56.0
Date first
1897
Date last
2010
Obs
6
Pa first
304
Pa last
310
P.A. Now (θ)
310°
Sep first
20.0
Sep last
19.7
Sep. Now (ρ)
19.7"
Mag pri
9.74
Mag sec
13.08
delta mag (ΔM)
3.34
Spectral class
A2 (white)
Pri motion ra
-010
Sec motion ra
+002
Pri motion dec
-012
Sec motion dec
+002
Notes
rPM=1.18
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.2
Precise sep
19.73
Constellation
Serpens
SAO
121475
Tycho2
0368-00323-1
HD
146699
last precise pa
310.2
last precise sep
19.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16176+0002 BAL1180 1999 4 310 19.5 9.74 12.10 A2 D 161738.14+000156.0
16176+0002 BAL1180 2000 5 310 19.5 9.74 12.10 A2 D 161738.14+000156.0
16176+0002 BAL1180 2010 6 310 19.6 9.74 13.08 A2 161738.14+000156.0

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