18015+4517 STF2270

 
 
18h 01m 27.46s +45 17' 50.5" P.A. 213 sep 6.2 mag 10.95,11.10
 
 
Coord 2000
18015+4517
Discov num
STF2270
Comp
Coord arcsec 2000
18 01 27.46 +45 17 50.5
Date first
1893
Date last
2010
Obs
9
Pa first
214
Pa last
213
P.A. Now (θ)
213°
Sep first
5.8
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
10.95
Mag sec
11.10
delta mag (ΔM)
0.15
Spectral class
Pri motion ra
-021
Sec motion ra
-036
Pri motion dec
+029
Sec motion dec
+017
Notes
rPM=0.483
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
213.2
Precise sep
6.18
Constellation
Hercules
Tycho2
3524-02175-1
last precise pa
213.2
last precise sep
6.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18015+4517 STF2270 1998 6 211 6.2 10.95 11.10 D 180127.46+451750.5
18015+4517 STF2270 2008 7 211 6.3 10.95 11.10 D 180127.46+451750.5
18015+4517 STF2270 2010 9 213 5.1 10.95 11.10 180127.46+451750.5

If you need more information about this double, apply for a data request form to the WDS.