17315+7412 MLR 204

 
 
17h 31m 27.71s +74 11' 59.3" P.A. 51 sep 3.1 mag 10.68,13.50 Sp F8
 
 
Coord 2000
17315+7412
Discov num
MLR 204
Comp
Coord arcsec 2000
17 31 27.71 +74 11 59.3
Date first
1971
Date last
1981
Obs
2
Pa first
52
Pa last
51
P.A. Now (θ)
51°
Sep first
3.0
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
10.68
Mag sec
13.50
delta mag (ΔM)
2.82
Spectral class
F8 (yellow-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.6
Precise sep
3.13
Constellation
Draco
SAO
8832
Tycho2
4427-00119-1
last precise pa
50.6
last precise sep
3.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17315+7412 MLR 204 1981 2 51 3.1 10.68 13.50 F8 173127.71+741159.3

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