15155+0830 SKF2775

 
 
15h 15m 30.82s +08 30' 23.9" P.A. 140 sep 7.8 mag 10.70,13.50 Sp F8
 
 
Coord 2000
15155+0830
Discov num
SKF2775
Comp
Coord arcsec 2000
15 15 30.82 +08 30 23.9
Date first
1905
Date last
2015
Obs
8
Pa first
140
Pa last
140
P.A. Now (θ)
140°
Sep first
7.9
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
10.70
Mag sec
13.50
delta mag (ΔM)
2.8
Spectral class
F8 (yellow-white)
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
+008
Sec motion dec
+007
Notes
V (Proper motion indicates physical)
rPM=0.056 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.9
Precise sep
7.752
Constellation
Serpens
Tycho2
0920-01459-1
last precise pa
139.9
last precise sep
7.752
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15155+0830 SKF2775 2013 5 139 7.9 10.70 13.50 F8 V 151530.82+083023.9
15155+0830 SKF2775 2015 8 140 7.8 10.70 13.50 F8 V 151530.82+083023.9

If you need more information about this double, apply for a data request form to the WDS.