12299-1631 SHJ 145AB (Del Crv)

 
 
12h 29m 51.86s -16 30' 55.6" P.A. 213 sep 24.6 mag 2.95,8.47 Sp B9.5V dist. 26.63 pc (86.87 l.y.)
 
 
Coord 2000
12299-1631
Discov num
SHJ 145
Comp
AB
Coord arcsec 2000
12 29 51.86 -16 30 55.6
Date first
1782
Date last
2012
Obs
45
Pa first
216
Pa last
213
P.A. Now (θ)
213°
Sep first
23.5
Sep last
24.6
Sep. Now (ρ)
24.6"
Mag pri
2.95
Mag sec
8.47
delta mag (ΔM)
5.52
Spectral class
B9.5V (blue-white)
Pri motion ra
-210
Sec motion ra
-210
Pri motion dec
-139
Sec motion dec
-139
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
12299-1631 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Del Crv 157323 12299-1631 SHJ 145 AB 1782 2012 45 213 24.6 2.95 8.47 5.52 <===
Show 157323 12299-1631 LAF 46 BC 2005 2005 1 88 6.7 6.40 18.80 12.40
Show 157323 12299-1631 LAF 46 BD 2005 2005 1 100 8.3 6.40 21.10 14.70
Show 157323 12299-1631 LAF 46 BE 2005 2005 1 124 10.2 6.40 21.50 15.10
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
213.2
Precise sep
24.59
Name
Del Crv
Cdsa2 id
SHJ 145 AB
Constellation
Corvus
SAO
157323
HIP
60965
HD
108767
HR
4757
GC
17029
BD
BD-15 3482
Bayer
Delta Corvi
Bayer name
Del Crv
Flamsteed
7 Corvi
Flamsteed name
7 Crv
Ra deg
12.497738888888888
De deg
-16.515444444444444
Distance
26.63
Distance ly
86.87
last precise pa
213.2
last precise sep
24.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12299-1631 SHJ 145 AB 2006 42 216 24.7 2.95 8.47 B9.5V N D 122951.86-163055.6
12299-1631 SHJ 145 AB 2009 44 215 23.4 2.95 8.47 B9.5V N D 122951.86-163055.6
12299-1631 SHJ 145 AB 2011 44 214 24.1 2.95 8.47 B9.5V N D 122951.86-163055.6
12299-1631 SHJ 145 AB 2012 45 213 24.6 2.95 8.47 B9.5V N D 122951.86-163055.6

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 12299-1631 SHJ 145AB - DEL CRV : NOTES
 
 
discov_num notes refcode
SHJ 145 7 Crv = del Crv = Algorab. B is BD-15@3481.
NLTT 30918/30916 Chm2004
A may be variable.
AB: H 4 105. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
discov author
SHJ South, J. & Herschel, J.
SHJ South, J. & Harschel, J.

 
 
WDS 12299-1631 SHJ 145AB - DEL CRV : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12299-1631 SHJ 145AB - DEL CRV : MEASURES
 
 
No records found.

 
 
WDS 12299-1631 SHJ 145AB - Del Crv : Virtual Eyepiece
 
 

12299-1631  SHJ 145 A 12299-1631  SHJ 145AB sep 24.6 P.A. 213 mag 2.95,8.47 Sp B9.5V 12299-1631  LAF  46BC sep 6.7 P.A. 88 mag 6.40,18.80 Sp K0V 12299-1631  LAF  46BD sep 8.3 P.A. 100 mag 6.40,21.10 Sp K0V 12299-1631  LAF  46BE sep 10.2 P.A. 124 mag 6.40,21.50 Sp K0V 12299-1631  LAF  46BC sep 6.7 P.A. 88 mag 6.40,18.80 Sp K0V 12299-1631  LAF  46BD sep 8.3 P.A. 100 mag 6.40,21.10 Sp K0V 12299-1631  LAF  46BE sep 10.2 P.A. 124 mag 6.40,21.50 Sp K0V virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 12299-1631 SHJ 145AB - Del Crv : Aladin DSS image @ 12h 29m 51.86s -16 30' 55.6"