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Current system
12174-2103
DON 520
UV Crv


Nearby doubles
9' : 12168-2100
DON 519

22' : 12160-2058
BRT1486

35' : 12189-2130
LDS 403

40' : 12186-2139
UC 2312

52' : 12149-2026
TDS8284

58' : 12139-2133
DON 516

62' : 12202-2015
B 2293

63' : 12165-2204
ARA1480

70' : 12209-2152
DON 523

72' : 12136-2017
B 2290

73' : 12219-2140
DON 524

79' : 12120-2042
UC 2292

82' : 12126-2147
LDS4190

83' : 12206-2213
BU 1245AB

85' : 12208-1954
SKF 433

87' : 12169-2228
LDS 399

97' : 12216-2220
DON1098

98' : 12235-2015
HJ 4517

109' : 12141-1926
UC 2298

110' : 12113-1958
LDS 390

110' : 12176-1914
ARA 417

112' : 12246-2150
DON 525

112' : 12109-1959
KPP2730

113' : 12190-2253
RSS 285

114' : 12122-2231
HU 133

115' : 12103-2203
UC 2287



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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12174-2103 DON 520 (UV Crv)

 
 
12h 17m 23.98s -21° 03' 30.1" P.A. 17.00 sep 2.0 mag 9.66,11.20 Sp K1V dist. 44.19 pc (144.15 l.y.)
 
 
Coord 2000 12174-2103 Discov num DON 520 Comp Coord arcsec 2000 12 17 23.98 -21 03 30.1
Date first 1930 Date last 2018 Obs 14
Pa first 48 Pa last 16.9 P.A. Now (θ) 16.9°
Sep first 1.0 Sep last 2.02 Sep. Now (ρ) 2.02"
Mag pri 9.66 Mag sec 11.20 delta mag (ΔM) 1.54 Spectral class K1V (yellow-orange)
Pri motion ra -115 Sec motion ra -115
Pri motion dec -164 Sec motion dec -164
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name UV Crv Constellation Corvus SAO 180648 HIP 59914
Tycho2 6108-00927-1 Gaia DR2 3514475531051071488 HD 106855 BD BD-20 3615
Distance 44.19 Distance ly 144.15
 
 
WDS 12174-2103 DON 520 (UV Crv) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12174-2103 DON 520 1991 10 27 1.9 9.66 11.20 K1V 121723.98-210330.1
12174-2103 DON 520 2001 11 23 1.9 9.66 11.20 K1V 121723.98-210330.1
12174-2103 DON 520 2015 12 18 2.0 9.66 11.20 K1V 121723.98-210330.1
12174-2103 DON 520 2018 13 17 2.0 9.66 11.20 K1V 121723.98-210330.1

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

 
 
WDS 12174-2103 DON 520 (UV Crv) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12174-2103 DON 520 (UV Crv) : MEASURES
 
 
No records found.

 
 
WDS 12174-2103 (UV Crv) : VIRTUAL EYEPIECE
 
 

12174-2103 DON 520A mag 9.66 Sp K1V 12174-2103 DON 520B sep 2.0 P.A. 15.80 mag 11.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 12174-2103 (UV Crv) : ALADIN DSS IMAGE @ 12h 17m 23.98s -21° 03' 30.1"
 
 
 
 
WDS 12174-2103 DON 520 (UV Crv) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12174-2103 DON 520 distance=0' 12168-2100 DON 519 distance=9' 12160-2058 BRT1486 distance=22' 12189-2130 LDS 403 distance=35' 12186-2139 UC 2312 distance=40' 12149-2026 TDS8284 distance=52' 12139-2133 DON 516 distance=58' 12202-2015 B 2293 distance=62' 12165-2204 ARA1480 distance=63' 12209-2152 DON 523 distance=70' 12136-2017 B 2290 distance=72' 12219-2140 DON 524 distance=73' 12206-2213 BU 605CD distance=78' 12120-2042 UC 2292 distance=79' 12126-2147 LDS4190 distance=82' 12206-2213 BU 1245AB distance=83' 12206-2213 BU 1245A,CD distance=83' 12208-1954 SKF 433 distance=85' 12169-2228 LDS 399 distance=87' 12216-2220 DON1098 distance=97' 12235-2015 HJ 4517 distance=98' 12141-1926 UC 2298 distance=109' 12113-1958 LDS 390 distance=110' 12176-1914 ARA 417 distance=110' 12246-2150 DON 525 distance=112' 12109-1959 KPP2730 distance=112' 12190-2253 RSS 285 distance=113' 12122-2231 HU 133 distance=114' 12103-2203 UC 2287 distance=115' 12107-2213 NSN 100 distance=117' 12247-2004 B 1716 distance=119' 12116-2233 UC 2291 distance=121' 12212-1914 GWP1793 distance=123' 12098-1949 RST3775 distance=130' 12267-2021 UC 2338 distance=138' 12158-2321 BU 920 distance=140' 12259-2221 KPP 272 distance=142' 12273-2026 I 513 distance=144' 12082-1948 UC 2277 distance=151' 12235-2310 VVO 9 distance=152' 12229-2315 COO 285 distance=152' 12272-1958 S 637AB distance=153' 12283-2101 DON 530 distance=153' 12261-1927 B 2538 distance=157' 12055-2058 DON 508 distance=168' 12062-2002 B 1714 distance=169' 12052-2104 RST4957 distance=172' 12290-2008 UC 2347 distance=172' 12201-1813 TSN 158 distance=175' 12258-2314 TDS8378 distance=176' 12122-2343 DON 515 distance=176' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 12174-2103 DON 520 17 2.0
Show 12168-2100 DON 519 114 0.4 9
Show 12160-2058 BRT1486 189 5.0 22
Show 12189-2130 LDS 403 164 6.9 35
Show 12186-2139 UC 2312 69 33.4 40
Show 12149-2026 TDS8284 231 0.4 52
Show 12139-2133 DON 516 160 4.4 58
Show 12202-2015 B 2293 181 1.8 62
Show 12165-2204 ARA1480 129 13.3 63
Show 12209-2152 DON 523 109 0.5 70
Show 12136-2017 B 2290 54 0.7 72
Show 12219-2140 DON 524 242 1.8 73
Show 12206-2213 BU 605 CD 268 0.5 78
Show 12120-2042 UC 2292 347 62.9 79
Show 12126-2147 LDS4190 73 33.5 82
Show 12206-2213 BU 1245 AB 74 17.8 83
Show 12206-2213 BU 1245 A,CD 295 347.8 83
Show 12208-1954 SKF 433 292 6.4 85
Show 12169-2228 LDS 399 235 10.7 87
Show 12216-2220 DON1098 105 5.0 97
Show 12235-2015 HJ 4517 185 14.1 98
Show 12141-1926 UC 2298 112 73.2 109
Show 12113-1958 LDS 390 121 85.2 110
Show 12176-1914 ARA 417 53 10.4 110
Show 12246-2150 DON 525 80 4.5 112
Show 12109-1959 KPP2730 137 3.5 112
Show 12190-2253 RSS 285 311 18.1 113
Show 12122-2231 HU 133 316 1.5 114
Show 12103-2203 UC 2287 233 32.6 115
Show 12107-2213 NSN 100 357 3.3 117
Show 12247-2004 B 1716 231 0.7 119
Show 12116-2233 UC 2291 173 29.9 121
Show 12212-1914 GWP1793 45 9.5 123
Show 12098-1949 RST3775 212 4.8 130
Show 12267-2021 UC 2338 333 7.0 138
Show 12158-2321 BU 920 307 1.9 140
Show 12259-2221 KPP 272 253 3.8 142
Show 12273-2026 I 513 329 4.5 144
Show 12082-1948 UC 2277 101 23.1 151
Show 12235-2310 VVO 9 276 10.8 152
Show 12229-2315 COO 285 21 7.6 152
Show 12272-1958 S 637 AB 203 60.4 153
Show 12283-2101 DON 530 103 0.4 153
Show 12261-1927 B 2538 225 0.9 157
Show 12055-2058 DON 508 318 5.2 168
Show 12062-2002 B 1714 146 0.1 169
Show 12052-2104 RST4957 64 0.9 172
Show 12290-2008 UC 2347 259 34.4 172
Show 12201-1813 TSN 158 311 0.1 175
Show 12258-2314 TDS8378 120 1.5 176
Show 12122-2343 DON 515 40 1.3 176

 
 
WDS 12174-2103 : COMPONENTS
 
 
  A
B pa=15.8°
sep=2.01"
 
 
12174-2103 A
 
 
Componente originario normalizzato AB Name UV Crv Coord arcsec 2000 121723.98-210330.1 Mag 9.66
Spectral class K1V (yellow-orange) PmRA -115.00 PmDE -164.0 SAO 180648
HIP 59914 Tycho2 6108-00927-1 HD 106855 BD BD-20 3615
Tycho2
Tycho2 6108-00927-1 Pflag P RAmdeg 184.34989763 DEmdeg -21.05836014
PmRA -115.2 PmDE -164.3 E RAmdeg 20 E DEmdeg 26
E pmRA 2.4 E pmDE 2.3 EpRAm 1990.67 EpDEm 1989.74
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 10.631 E BTmag 0.048 VTmag 9.661
E VTmag 0.031 Prox 19 TYC T HIP 59914
CCDM A RAdeg 184.35016361 DEdeg -21.05800861 EpRA 1990 1.71
EpDE 1990 1.56 E RAdeg 19.8 E DEdeg 25.7 Posflg D
Corr 0.1
SAO
SAO 180648 DelFlag RA1950 PmRA1950 -0.0074
DE1950 PmDE1950 -0.166 Vmag 9 SpType K0
Double code Source 23 CatNum 5331 DM BD-20 3615
DMcomp BDsup HD 106855 M HD 0
GC RA1950rad 3.20622897 DE1950rad -0.36265065 PmRA2000 -0.0072
PmDE2000 -0.161
Hipparcos
Catalog H HIP 59914 Proxy H RAhms 12 17 24.04
DEdms -21 03 28.8 Vmag 9.37 VarFlag 2 R Vmag G
RAdeg 184.35 DEdeg -21.058 AstroRef A Plx 22.88
CCDM 12174-2104 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 25 Rho 1.794 HD 106855 BD BD-20 3615
CD CP Dm number -20 3615 VIred 1
SpType K1V R SpType Coord arcsec 2000 121724.04-210328.8
Hipparcos 2
HIP 59914 Sn 15 So 3 Nc 2
RArad 3.2175177448 DErad -0.3675315103 Plx 22.63 PmRA -111.72
PmDE -161.26 E RArad 1.49 E DErad 1.24 E Plx 1.82
E pmRA 1.6 E pmDE 1.18 Hpmag 9.4258 E Hpmag 0.0043
SHp 0.035 VA 2 BV 0.955 E BV 0.009
VI 1
 
 
12174-2103 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121724.02-210328.2 Mag 11.2 PmRA -115.00
PmDE -164.0 Tycho2 6108-00927-2 Calc delta mag 1.54 Calc coord yes
Tycho2
Tycho2 6108-00927-2 Pflag P RAmdeg 184.34989763 DEmdeg -21.05836014
PmRA -115.2 PmDE -164.3 E RAmdeg 20 E DEmdeg 26
E pmRA 2.4 E pmDE 2.3 EpRAm 1990.67 EpDEm 1989.74
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 12.772 E BTmag 0.337 VTmag 11.202
E VTmag 0.112 Prox 19 TYC HIP 59914
CCDM B RAdeg 184.35042250 DEdeg -21.05753333 EpRA 1990 1.73
EpDE 1990 1.51 E RAdeg 73.1 E DEdeg 99.3 Posflg D
Corr 0.1