19432+2318 J   490ON

 
 
19H 43M 08.87S +23 18' 08.2" P.A. 52 SEP 4.3 MAG 10.40,12.20 SP O7
 
 
Coord 2000
19432+2318
Discov num
J   490
Comp
ON
Coord arcsec 2000
19 43 08.87 +23 18 08.2
Date first
1892
Date last
2013
Obs
5
Pa first
49
Pa last
52
P.A. Now (θ)
52°
Sep first
4.9
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
10.40
Mag sec
12.20
delta mag (ΔM)
1.8
Spectral class
O7 (blue)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
19432+2318 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 87621 19432+2318 POU4026 AB 1892 2013 11 301 8.9 9.43 12.50 3.07
Show 87621 19432+2318 POU4027 AC 1892 2013 10 307 18.0 9.43 11.30 1.87
Show 87621 19432+2318 POU4028 AD 1892 2013 10 340 17.6 9.43 11.10 1.67
Show 87621 19432+2318 BKO 435 AE 1953 2012 5 245 7.2 9.43 14.00 4.57
Show 87621 19432+2318 BKO 435 AF 1986 2000 3 265 6.7 9.43 14.50 5.07
Show 87621 19432+2318 SS 8 AG 1953 2001 5 320 21.4 9.43 14.20 4.77
Show 87621 19432+2318 SS 8 AH 1953 2001 4 292 22.7 9.43 15.70 6.27
Show 87621 19432+2318 SS 8 AI 1953 2001 4 334 25.6 9.43 15.40 5.97
Show 87621 19432+2318 SS 8 AJ 1953 2001 4 278 26.7 9.43 14.20 4.77
Show 87621 19432+2318 SS 8 AK 1953 2001 5 320 30.8 9.43 14.80 5.37
Show 87621 19432+2318 SS 8 AL 1953 2001 5 310 31.5 9.43 12.90 3.47
Show 87621 19432+2318 SS 8 AM 1953 2000 3 333 32.6 9.43 13.80 4.37
Show 87621 19432+2318 SS 8 AN 1892 2000 6 317 36.2 9.43 12.20 2.77
Show 87621 19432+2318 SS 8 AO 1892 2001 9 308 36.8 9.43 10.40 0.97
Show 87621 19432+2318 BKO 435 EF 2008 2008 1 356 2.4 14.00 14.50 0.50
Show 87621 19432+2318 J 490 OL 1911 2008 4 119 5.4 10.40 12.90 2.50
Show 87621 19432+2318 J 490 ON 1892 2013 5 52 4.3 10.40 12.20 1.80 <===
15-fold system
15 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Vulpecula
SAO
87621
Tycho2
2139-02396-1
HD
344784
last precise pa
52
last precise sep
4.25