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Doubles in session


Current system
07018-2328
HDS 978
HD 52849


Nearby doubles
3' : 07018-2326
RST3483

3' : 07020-2328
DAM 429

5' : 07017-2332
I 768

6' : 07021-2330
HJ 3914

28' : 07033-2346
RST2449

33' : 07008-2356
ARA2027

35' : 07037-2351
B 128AB

36' : 07009-2254
ARA1674

36' : 07016-2403
ARA2028

40' : 06599-2358
B 125

46' : 06586-2318
B 123

47' : 06585-2323
ARA2026

48' : 06584-2324
TDS4339

48' : 06587-2307
DON 154

49' : 07026-2240
JAW 2

49' : 07022-2416
B 127

50' : 07030-2241
TDS4418

50' : 07002-2243
S 543

52' : 07030-2416
TDS4419

53' : 07006-2417
B 2617

53' : 06587-2358
TDS4345

54' : 06587-2256
TDS4344

55' : 07003-2417
B 2616

56' : 06581-2351
TDS4335

57' : 07055-2351
ARA2031

57' : 07043-2412
JAW 3



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

07018-2328 HDS 978 (HD 52849)

 
 
07h 01m 47.79s -23° 27' 32.7" P.A. 237.00 sep 0.3 mag 7.73,10.14 Sp B3IV dist. 1351.35 pc (4408.1 l.y.)
 
 
Coord 2000 07018-2328 Discov num HDS 978 Comp Coord arcsec 2000 07 01 47.79 -23 27 32.7
Date first 1991 Date last 2021 Obs 2
Pa first 247 Pa last 236.8 P.A. Now (θ) 236.8°
Sep first 0.3 Sep last 0.342 Sep. Now (ρ) 0.342"
Mag pri 7.73 Mag sec 10.14 delta mag (ΔM) 2.41 Spectral class B3IV (blue-white)
Pri motion ra -004 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 52849 Constellation Canis Major SAO 172796 HIP 33865
Tycho2 6523-02217-1 Gaia DR2 2921708127955063808 HD 52849 CD CD-23 4766
CP CP-23 1725 Distance 1351.35 Distance ly 4408.1
 
 
WDS 07018-2328 HDS 978 (HD 52849) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07018-2328 HDS 978 1991 1 247 0.3 7.69 10.37 B3IV D 070147.79-232732.7
07018-2328 HDS 978 2021 2 237 0.3 7.73 10.14 B3IV 070147.79-232732.7

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

 
 
WDS 07018-2328 HDS 978 (HD 52849) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07018-2328 HDS 978 (HD 52849) : MEASURES
 
 
No records found.

 
 
WDS 07018-2328 (HD 52849) : VIRTUAL EYEPIECE
 
 

07018-2328 HDS 978A mag 7.73 Sp B3IV 07018-2328 HDS 978B sep 0.3 P.A. 234.50 mag 10.14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 07018-2328 (HD 52849) : ALADIN DSS IMAGE @ 07h 01m 47.79s -23° 27' 32.7"
 
 
 
 
WDS 07018-2328 HDS 978 (HD 52849) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07018-2328 HDS 978 distance=0' 07018-2326 RST3483 distance=3' 07020-2328 DAM 429 distance=3' 07017-2332 I 768 distance=5' 07021-2330 HJ 3914 distance=6' 07033-2346 RST2449 distance=28' 07008-2356 ARA2027 distance=33' 07037-2351 B 128AB distance=35' 07037-2351 B 128AC distance=35' 07009-2254 ARA1674 distance=36' 07016-2403 ARA2028 distance=36' 06599-2358 B 125 distance=40' 06586-2318 B 123 distance=46' 06585-2323 ARA2026 distance=47' 06584-2324 TDS4339 distance=48' 06587-2307 DON 154 distance=48' 07026-2240 JAW 2 distance=49' 07022-2416 B 127 distance=49' 07030-2241 TDS4418 distance=50' 07002-2243 S 543 distance=50' 07030-2416 TDS4419 distance=52' 07006-2417 B 2617 distance=53' 06587-2358 TDS4345 distance=53' 06587-2256 TDS4344 distance=54' 07003-2417 B 2616 distance=55' 06581-2351 TDS4335 distance=56' 07055-2351 ARA2031 distance=57' 07043-2412 JAW 3 distance=57' 07007-2232 I 766AB distance=57' 07007-2232 I 766AC distance=57' 07034-2234 RST3486 distance=58' 06589-2411 TDS4347 distance=59' 06585-2406 HDS 971 distance=60' 06575-2312 DON 153 distance=61' 07064-2335 ARA2033 distance=64' 07064-2318 ARA2034 distance=65' 07008-2223 I 767 distance=66' 06571-2345 B 121 distance=68' 07060-2407 ARA2032 distance=70' 07012-2437 TDS4388 distance=70' 07038-2223 TDS4435 distance=71' 07001-2434 CPD 3AB distance=71' 07001-2434 B 9011AC distance=71' 07060-2241 ARA1675 distance=75' 07006-2212 TDS4378 distance=78' 06574-2239 TDS4324 distance=79' 07074-2350 CHR 246AB distance=81' 07074-2350 OUD 4AC distance=81' 07039-2443 TDS4441 distance=81' 06572-2420 TDS4320 distance=83' 06559-2314 TDS4300 distance=83' 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 07018-2328 HDS 978 237 0.3
Show 07018-2326 RST3483 301 2.9 3
Show 07020-2328 DAM 429 97 3.8 3
Show 07017-2332 I 768 193 0.3 5
Show 07021-2330 HJ 3914 314 11.0 6
Show 07033-2346 RST2449 40 1.0 28
Show 07008-2356 ARA2027 216 11.8 33
Show 07037-2351 B 128 AB 329 2.3 35
Show 07037-2351 B 128 AC 287 12.1 35
Show 07009-2254 ARA1674 115 7.0 36
Show 07016-2403 ARA2028 260 12.5 36
Show 06599-2358 B 125 134 0.6 40
Show 06586-2318 B 123 331 1.5 46
Show 06585-2323 ARA2026 60 8.4 47
Show 06584-2324 TDS4339 263 0.5 48
Show 06587-2307 DON 154 132 0.4 48
Show 07026-2240 JAW 2 61 18.6 49
Show 07022-2416 B 127 115 3.1 49
Show 07030-2241 TDS4418 63 1.4 50
Show 07002-2243 S 543 272 91.3 50
Show 07030-2416 TDS4419 59 0.5 52
Show 07006-2417 B 2617 257 6.2 53
Show 06587-2358 TDS4345 288 0.5 53
Show 06587-2256 TDS4344 354 2.3 54
Show 07003-2417 B 2616 304 11.4 55
Show 06581-2351 TDS4335 298 1.9 56
Show 07055-2351 ARA2031 302 7.8 57
Show 07043-2412 JAW 3 203 20.1 57
Show 07007-2232 I 766 AB 283 3.8 57
Show 07007-2232 I 766 AC 172 9.0 57
Show 07034-2234 RST3486 77 0.5 58
Show 06589-2411 TDS4347 133 0.9 59
Show 06585-2406 HDS 971 189 1.0 60
Show 06575-2312 DON 153 93 2.3 61
Show 07064-2335 ARA2033 71 5.9 64
Show 07064-2318 ARA2034 97 13.5 65
Show 07008-2223 I 767 70 6.7 66
Show 06571-2345 B 121 270 0.5 68
Show 07060-2407 ARA2032 37 8.6 70
Show 07012-2437 TDS4388 127 2.2 70
Show 07038-2223 TDS4435 117 1.1 71
Show 07001-2434 CPD 3 AB 152 10.6 71
Show 07001-2434 B 9011 AC 299 11.5 71
Show 07060-2241 ARA1675 217 8.6 75
Show 07006-2212 TDS4378 144 2.1 78
Show 06574-2239 TDS4324 134 0.7 79
Show 07074-2350 CHR 246 AB 201 0.1 81
Show 07074-2350 OUD 4 AC 228 0.7 81
Show 07039-2443 TDS4441 12 0.5 81
Show 06572-2420 TDS4320 123 2.4 83
Show 06559-2314 TDS4300 86 1.7 83

 
 
WDS 07018-2328 : COMPONENTS
 
 
  A
B pa=234.5°
sep=0.32"
 
 
07018-2328 A
 
 
Componente originario normalizzato AB Name HD 52849 Coord arcsec 2000 070147.79-232732.7 Mag 7.73
Spectral class B3IV (blue-white) PmRA -4.00 PmDE 5.0 SAO 172796
HIP 33865 Tycho2 6523-02217-1 HD 52849 CD CD-23 4766
CP CP-23 1725
Tycho2
Tycho2 6523-02217-1 Pflag RAmdeg 105.44912384 DEmdeg -23.45906580
PmRA -3.9 PmDE 4.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.51 EpDEm 1991.48
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 0.9 BTmag 7.468 E BTmag 0.015 VTmag 7.604
E VTmag 0.010 Prox 999 TYC T HIP 33865
CCDM AB RAdeg 105.44913361 DEdeg -23.45907528 EpRA 1990 1.73
EpDE 1990 1.70 E RAdeg 4.0 E DEdeg 4.0 Posflg P
Corr -0.1
SAO
SAO 172796 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 0.031 Vmag 8.3 SpType B8
Double code Source 25 CatNum 4331 DM CD-23 4766
DMcomp BDsup HD 52849 M HD 0
GC RA1950rad 1.83128437 DE1950rad -0.40816294 PmRA2000 -0.0005
PmDE2000 0.033
Hipparcos
Catalog H HIP 33865 Proxy H RAhms 07 01 47.79
DEdms -23 27 32.7 Vmag 7.65 VarFlag R Vmag H
RAdeg 105.449 DEdeg -23.4591 AstroRef A Plx 1.75
CCDM 07018-2328 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 247 Rho 0.344 HD 52849 BD
CD CD-23 4766 CP CP-23 1725 Dm number -23 4766 VIred -0.16
SpType B3IV R SpType Coord arcsec 2000 070147.79-232732.7
Hipparcos 2
HIP 33865 Sn 15 So 3 Nc 2
RArad 1.8404346689 DErad -0.409438081 Plx 0.74 PmRA -4.39
PmDE 4 E RArad 0.43 E DErad 0.51 E Plx 0.76
E pmRA 0.64 E pmDE 0.75 Hpmag 7.605 E Hpmag 0.0013
SHp 0.014 VA 0 BV -0.134 E BV 0.008
VI -0.13
CCDM
Ccdm 07018-2328 RComp Comp A Note1
Note2 Discov num DRAs -0.21 DDEs 27.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.7 Sp B3 PmNote *
PmRA -4 PmDE 5 Dm number -23 4766 Cat1 CD
Name2 172796 Cat2 SAO HD 52849 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 33865
 
 
07018-2328 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 070147.77-232732.9 Mag 10.14 Calc delta mag 2.41
Calc coord yes
CCDM
Ccdm 07018-2328 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.23 DDEs 27.2
R dRAs 82 Year 1991 Theta 247 Rho 0.3
Obs 1 Vmag 10.4 Sp PmNote *
PmRA -4 PmDE 5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 33865