21069+3845 HZE   4BL

 
 
21H 06M 55.09S +38 44' 31.6" P.A. 145 SEP 9.9 MAG 2.74,14.04 SP K7V
 
 
Coord 2000
21069+3845
Discov num
HZE   4
Comp
BL
Coord arcsec 2000
21 06 55.09 +38 44 31.6
Date first
2006
Date last
2006
Obs
1
Pa first
145
Pa last
145
P.A. Now (θ)
145°
Sep first
9.9
Sep last
9.9
Sep. Now (ρ)
9.9"
Mag pri
2.74
Mag sec
14.04
delta mag (ΔM)
11.3
Spectral class
K7V (yellow-orange)
Pri motion ra
+411
Sec motion ra
Pri motion dec
+314
Sec motion dec
Notes
N P K (See Notes, 100-year proper motion, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
21069+3845 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 61 Cyg 70919 21069+3845 STF2758 AB 1753 2016 1734 152 31.7 5.20 6.05 0.85 Y
Show 70919 21069+3845 STF2758 AC 1907 2016 6 219 839.8 5.35 10.23 4.88
Show 70919 21069+3845 STF2758 AD 1918 2016 4 250 748.0 5.35 10.45 5.10
Show 70919 21069+3845 STF2758 AE 1918 2016 12 267 340.8 5.35 9.63 4.28
Show 70919 21069+3845 STF2758 AF 1918 2016 10 240 371.2 5.35 11.30 5.95
Show 70919 21069+3845 STF2758 AG 1921 2016 13 236 260.4 5.35 11.30 5.95
Show 70919 21069+3845 STF2758 AH 1921 2016 29 270 111.3 5.35 9.97 4.62
Show 70919 21069+3845 SMR 1 AI 1921 2016 11 240 21.5 5.35 10.74 5.39
Show 70919 21069+3845 HZE 4 AJ 2006 2015 3 241 17.5 2.25 12.43 10.18
Show 70919 21069+3845 HZE 4 AK 2006 2006 1 83 7.8 2.25 13.05 10.80
Show 70919 21069+3845 SMR 40 AO 1998 2016 5 282 157.8 5.35 12.65 7.30
Show 70919 21069+3845 SMR 40 AP 1998 2016 5 291 151.0 5.35 12.84 7.49
Show 70919 21069+3845 SMR 40 AQ 1998 2016 4 316 68.1 5.35 13.19 7.84
Show 70919 21069+3845 STF2758 BC 1879 2016 6 221 827.6 6.05 10.03 3.98
Show 70919 21069+3845 HZE 4 BL 2006 2006 1 145 9.9 2.74 14.04 11.30 <===
Show 70919 21069+3845 FYM 106 BM 1998 2016 3 238 100.7 6.05 14.30 8.25
Show 70919 21069+3845 FYM 106 BN 1998 2016 3 152 48.3 6.05 14.40 8.35
Show 70919 21069+3845 TNN 15 BR 2005 2005 1 77 11.5 2.54 14.80 12.26
18-fold system
18 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
70919
Tycho2
3168-02798-1
HD
201092
HR
8085
DM
BD+38 4344
Flamsteed
61 Cygni
Flamsteed name
61 Cyg
last precise pa
145.4
last precise sep
9.85