17211+6751 MLR 187

 
 
17h 21m 06.25s +67 51' 03.8" P.A. 277 sep 2.2 mag 9.98,13.20 Sp G5
 
 
Coord 2000
17211+6751
Discov num
MLR 187
Comp
Coord arcsec 2000
17 21 06.25 +67 51 03.8
Date first
1971
Date last
1997
Obs
5
Pa first
273
Pa last
277
P.A. Now (θ)
277°
Sep first
1.7
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
9.98
Mag sec
13.20
delta mag (ΔM)
3.22
Spectral class
G5 (yellow)
Pri motion ra
+010
Sec motion ra
Pri motion dec
+021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
277.4
Precise sep
2.19
Constellation
Draco
SAO
17449
Tycho2
4421-02412-1
last precise pa
277.4
last precise sep
2.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17211+6751 MLR 187 1997 5 277 2.2 9.98 13.20 G5 172106.25+675103.8

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