00172-2257 UC  346

 
 
00h 17m 12.37s -22 56' 42.7" P.A. 181.00 sep 7.8 mag 13.90,15.40
 
 
Coord 2000
00172-2257
Discov num
UC  346
Comp
Coord arcsec 2000
00 17 12.37 -22 56 42.7
Date first
1998
Date last
2016
Obs
7
Pa first
181
Pa last
181
P.A. Now (θ)
181°
Sep first
7.8
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
13.90
Mag sec
15.40
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+041
Sec motion ra
+042
Pri motion dec
-046
Sec motion dec
-068
Notes
V (Proper motion indicates physical)
rPM=0.276 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181.2
Precise sep
7.791
Constellation
Hydra
Gaia DR2
2361027364668638720
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00172-2257 UC 346 2000 2 181 7.8 13.90 15.40 V 001712.37-225642.7
00172-2257 UC 346 2010 4 180 7.3 13.90 15.40 V 001712.37-225642.7
00172-2257 UC 346 2015 5 181 7.8 13.90 15.40 V 001712.37-225642.7

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

 
 
WDS 00172-2257 UC 346 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov refcode author
UC UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4)

 
 
WDS 00172-2257 UC 346 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00172-2257 UC 346 : MEASURES
 
 
No records found.

 
 
WDS 00172-2257 UC 346 : Virtual Eyepiece
 
 

00172-2257 UC  346A mag 13.9 00172-2257 UC  346B sep 7.8 P.A. 181.10 mag 15.4 virtual eyepiece
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Radius:
 
 
WDS 00172-2257 UC 346 : Aladin DSS image @ 00h 17m 12.37s -22 56' 42.7"