01187-2249 HDO 47 (HD 7930)

 
 
01h 18m 40.42s -22 49' 15.6" P.A. 62.00 sep 9.6 mag 8.82,10.55 Sp G3V
 
 
Coord 2000 01187-2249 Discov num HDO  47 Comp Coord arcsec 2000 01 18 40.42 -22 49 15.6
Date first 1867 Date last 2015 Obs 16
Pa first 61 Pa last 62.2 P.A. Now (θ) 62.2°
Sep first 10.5 Sep last 9.62 Sep. Now (ρ) 9.62"
Mag pri 8.82 Mag sec 10.55 delta mag (ΔM) 1.73 Spectral class G3V (yellow)
Pri motion ra +051 Sec motion ra +052
Pri motion dec +020 Sec motion dec +020
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.018 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 7930 Constellation Cetus SAO 166948 Tycho2 6425-00219-1
Gaia DR2 5041670626248348160 HD 7930 ADS 1061
 
 
WDS 01187-2249 HDO 47 (HD 7930) : NOTES
 
 
discov_num notes refcode
HDO 47 Probably = HDO 48.
 
 
DISCOVERER
 
 
idgroup discov author
1 HDO Harvard Obs.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01187-2249 HDO 47 1998 12 62 9.7 8.82 10.55 G3V N D 011840.42-224915.6
01187-2249 HDO 47 1999 13 63 9.5 8.82 10.55 G3V N D 011840.42-224915.6
01187-2249 HDO 47 2010 14 63 9.4 8.82 10.55 G3V N 011840.42-224915.6
01187-2249 HDO 47 2015 15 62 9.6 8.82 10.55 G3V N W 011840.42-224915.6

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WDS 01187-2249 HDO 47 (HD 7930) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01187-2249 HDO 47 (HD 7930) : MEASURES
 
 
No records found.

 
 
WDS 01187-2249 (HD 7930) : VIRTUAL EYEPIECE
 
 

01187-2249 HDO  47A mag 8.82 Sp G3V 01187-2249 HDO  47B sep 9.0 P.A. 60.20 mag 10.55 virtual eyepiece
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Radius:
Components only
 
 
WDS 01187-2249 (HD 7930) : ALADIN DSS IMAGE @ 01h 18m 40.42s -22 49' 15.6"
 
 
 
 
WDS 01187-2249 HDO 47 (HD 7930) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


01187-2249  HDO  47 distance=0' 01186-2255  FAR  24 distance=6' 01179-2246  KPP2556 distance=12' 01189-2304  LDS2183 distance=16' 01171-2314  HWE   3 distance=34' 01198-2214  LDS2186 distance=39' 01173-2215  LDS2179 distance=39' 01182-2330  SKF1371 distance=42' 01184-2332  SKF1372AC distance=43' 01184-2332  LDS2182AB distance=43' 01151-2254  HWE   2 distance=50' 01147-2314  LDS2177 distance=60' 01232-2230  TDS1861 distance=66' 01183-2143  CVR1070 distance=67' 01241-2246  B    17 distance=76' 01138-2325  UC  522 distance=77' 01189-2406  LDS2184 distance=77' 01218-2408  SEE  13 distance=90' 01242-2157  SKF2150 distance=94' 01239-2147  SKF1375 distance=96' 01114-2300  LDS2173 distance=102' 01126-2348  SKF1369 distance=102' 01178-2431  TDS1833 distance=103' 01125-2400  RST2257 distance=112' 01262-2212  SKF 201 distance=112' 01125-2136  LDS2175 distance=114' 01236-2421  SE    1 distance=115' 01199-2056  B  2555 distance=115' 01141-2427  TDS1810 distance=117' 01163-2056  LDS  41 distance=118' 01233-2105  LDS2191 distance=124' 01274-2220  RST2261 distance=125' 01228-2440  BWL  63 distance=125' 01097-2219  LDS2171 distance=128' 01132-2433  UC  521 distance=129' 01092-2239  ARA1961 distance=132' 01250-2430  SKF2151AB distance=134' 01250-2430  YSC  83Ba,Bb distance=134' 01282-2319  RAO 533 distance=136' 01129-2446  LDS  38AB distance=141' 01129-2446  TOK 452BC distance=141' 01185-2511  YSC  82 distance=142' 01080-2210  DON  14 distance=153' 01074-2249  NSN  46 distance=157' 01109-2445  RST2255 distance=158' 01300-2231  I   445A,BC distance=158' 01300-2231  I   445BC distance=159' 01080-2150  UC  504 distance=159' 01188-2529  NSN 236 distance=160' 01130-2029  SKF1370 distance=162' 01291-2410  SKF 334 distance=166' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 01187-2249 HDO 47 62 9.6
Show 01186-2255 FAR 24 10 1.1 6
Show 01179-2246 KPP2556 249 23.1 12
Show 01189-2304 LDS2183 158 32.2 16
Show 01171-2314 HWE 3 288 7.8 34
Show 01198-2214 LDS2186 228 9.9 39
Show 01173-2215 LDS2179 186 75.6 39
Show 01182-2330 SKF1371 235 118.4 42
Show 01184-2332 SKF1372 AC 311 102.7 43
Show 01184-2332 LDS2182 AB 66 7.0 43
Show 01151-2254 HWE 2 141 15.0 50
Show 01147-2314 LDS2177 290 14.3 60
Show 01232-2230 TDS1861 131 1.8 66
Show 01183-2143 CVR1070 321 3.6 67
Show 01241-2246 B 17 47 0.5 76
Show 01138-2325 UC 522 57 47.2 77
Show 01189-2406 LDS2184 64 85.0 77
Show 01218-2408 SEE 13 177 1.3 90
Show 01242-2157 SKF2150 348 11.0 94
Show 01239-2147 SKF1375 65 21.4 96
Show 01114-2300 LDS2173 42 25.1 102
Show 01126-2348 SKF1369 63 167.0 102
Show 01178-2431 TDS1833 44 0.6 103
Show 01125-2400 RST2257 38 3.6 112
Show 01262-2212 SKF 201 114 2.7 112
Show 01125-2136 LDS2175 328 124.8 114
Show 01236-2421 SE 1 90 3.1 115
Show 01199-2056 B 2555 170 2.8 115
Show 01141-2427 TDS1810 35 0.5 117
Show 01163-2056 LDS 41 172 17.2 118
Show 01233-2105 LDS2191 311 4.4 124
Show 01274-2220 RST2261 342 0.7 125
Show 01228-2440 BWL 63 217 1.4 125
Show 01097-2219 LDS2171 209 8.7 128
Show 01132-2433 UC 521 108 68.1 129
Show 01092-2239 ARA1961 231 18.2 132
Show 01250-2430 SKF2151 AB 54 145.4 134
Show 01250-2430 YSC 83 Ba,Bb 119 0.3 134
Show 01282-2319 RAO 533 355 1.1 136
Show 01129-2446 LDS 38 AB 288 44.0 141
Show 01129-2446 TOK 452 BC 186 999.9 141
Show 01185-2511 YSC 82 264 0.1 142
Show 01080-2210 DON 14 77 2.8 153
Show 01074-2249 NSN 46 13 3.0 157
Show 01109-2445 RST2255 329 1.8 158
Show 01300-2231 I 445 A,BC 40 69.8 158
Show 01300-2231 I 445 BC 355 2.1 159
Show 01080-2150 UC 504 122 45.7 159
Show 01188-2529 NSN 236 203 4.4 160
Show 01130-2029 SKF1370 219 1.9 162
Show 01291-2410 SKF 334 249 20.1 166

 
 
WDS 01187-2249 : COMPONENTS
 
 
  A
B pa=60.2°
sep=9.04"
 
 
01187-2249 A
 
 
Name HD 7930 Coord arcsec 2000 011840.42-224915.6 Mag 8.82 Spectral class G3V (yellow)
PmRA 51.00 PmDE 20.0 SAO 166948 Tycho2 6425-00219-1
HD 7930 ADS 1061 DM CD-23 478
Tycho2
Tycho2 6425-00219-1 Pflag RAmdeg 19.66840270 DEmdeg -22.82098777
PmRA 45.2 PmDE 18.2 E RAmdeg 7 E DEmdeg 11
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.03 EpDEm 1989.62
Num 7 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 9.544 E BTmag 0.021 VTmag 8.815
E VTmag 0.015 Prox 97 TYC T HIP
CCDM RAdeg 19.66828861 DEdeg -22.82103250 EpRA 1990 1.66
EpDE 1990 1.13 E RAdeg 7.4 E DEdeg 10.7 Posflg
Corr 0.1
SAO
SAO 166948 DelFlag RA1950 PmRA1950 0.0038
DE1950 PmDE1950 0.024 Vmag 8.5 SpType G0
Double code Source 25 CatNum 620 DM CD-23 478
DMcomp BDsup HD 7930 M HD 0
GC RA1950rad 0.33276702 DE1950rad -0.40289074 PmRA2000 0.004
PmDE2000 0.02
CCDM
Ccdm 01187-2249 RComp Comp A Note1
Note2 Discov num DRAs -1.56 DDEs -15.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp G0 PmNote *
PmRA 52 PmDE 24 Dm number -23 478 Cat1 CD
Name2 166948 Cat2 SAO HD 7930 M HD
ADS BDS A 1061 M ADS BDS N IDS IDS 01139S2321A
HIC
 
 
01187-2249 B
 
 
Coord arcsec 2000 011840.99-224911.1 Mag 10.55 PmRA 52.00 PmDE 20.0
Tycho2 6425-02476-1 Calc delta mag 1.73 Calc coord yes
Tycho2
Tycho2 6425-02476-1 Pflag RAmdeg 19.67098659 DEmdeg -22.81973762
PmRA 46.7 PmDE 14.2 E RAmdeg 30 E DEmdeg 41
E pmRA 2.7 E pmDE 2.6 EpRAm 1989.95 EpDEm 1987.67
Num 3 Q RAmdeg 3.7 Q DEmdeg 1.1 Q pmRA 3.7
Q pmDE 1.1 BTmag 11.175 E BTmag 0.064 VTmag 10.552
E VTmag 0.051 Prox 97 TYC T HIP
CCDM RAdeg 19.67086889 DEdeg -22.81977222 EpRA 1990 1.61
EpDE 1990 1.16 E RAdeg 29.8 E DEdeg 41.6 Posflg
Corr 0.3
CCDM
Ccdm 01187-2249 RComp Comp B Note1
Note2 Discov num HDO 47 DRAs -0.96 DDEs -11.0
R dRAs 90 Year 1867 Theta 061 Rho 9.6
Obs 6 Vmag 10.1 Sp PmNote
PmRA 52 PmDE 24 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1061 M ADS BDS N IDS IDS 01139S2321B
HIC