17322+5511 STFA 35 (Nu2 Dra)

 
 
17h 32m 15.88s +55 10' 22.1" P.A. 310 sep 62.5 mag 4.87,4.90 Sp A4m+A6V dist. 30.49 pc (99.46 l.y.)
 
 
Coord 2000
17322+5511
Discov num
STFA 35
Comp
Coord arcsec 2000
17 32 15.88 +55 10 22.1
Date first
1690
Date last
2016
Obs
186
Pa first
314
Pa last
310
P.A. Now (θ)
310°
Sep first
71.4
Sep last
62.5
Sep. Now (ρ)
62.5"
Mag pri
4.87
Mag sec
4.90
delta mag (ΔM)
0.03
Spectral class
A4m+A6V (white/white)
Pri motion ra
+143
Sec motion ra
+147
Pri motion dec
+062
Sec motion dec
+054
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310
Precise sep
62.5
Name
Nu2 Dra
Constellation
Draco
SAO
30450
HIP
85829
HD
159560
HR
6555
GC
23801
BD
BD+55 1945
Bayer
Nu 2 Draconis
Bayer name
Nu2 Dra
Flamsteed
25 Draconis
Flamsteed name
25 Dra
Distance
30.49
Distance ly
99.46
last precise pa
310
last precise sep
62.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17322+5511 STFA 35 2007 164 311 62.2 4.87 4.90 A4m A6V N DV 173215.88+551022.1
17322+5511 STFA 35 2009 166 312 62.7 4.87 4.90 A4m A6V NVD 173215.88+551022.1
17322+5511 STFA 35 2010 167 311 62.0 4.87 4.90 A4m A6V NVD 173215.88+551022.1
17322+5511 STFA 35 2011 169 311 62.0 4.87 4.90 A4m A6V NVD 173215.88+551022.1
17322+5511 STFA 35 2012 177 311 62.0 4.87 4.90 A4m A6V NVD 173215.88+551022.1
17322+5511 STFA 35 2015 178 312 62.1 4.87 4.90 A4m+A6V NVD 173215.88+551022.1
17322+5511 STFA 35 2016 186 310 62.5 4.87 4.90 A4m+A6V NV 173215.88+551022.1

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