stampa
Login

Want to manage your own lists?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
06499-2228
DON 146 AB
HD 49939


Nearby doubles
10' : 06505-2223
TDS4200

20' : 06506-2212
TDS 291

22' : 06512-2217
ARA1667

28' : 06495-2201
TDS4176

31' : 06492-2257
TDS4171

35' : 06478-2210
HDO 90

40' : 06473-2246
ARA1663

42' : 06470-2241
DON 143

43' : 06476-2256
ARA1664

45' : 06485-2149
TDS4158

46' : 06527-2206
ARA1304

47' : 06475-2156
ARA1300

49' : 06491-2141
TDS4166

49' : 06507-2141
ARA1301

50' : 06470-2257
TDS4128

50' : 06532-2209
TDS4254

55' : 06523-2311
TDS4234

57' : 06525-2146
TDS4239

57' : 06529-2148
ARA1305

59' : 06541-2230
ARA1668

60' : 06458-2209
ARA1662

61' : 06523-2319
ARA2021

61' : 06542-2222
TDS4270

61' : 06528-2143
HDS 953

62' : 06541-2209
KPP2705

62' : 06528-2315
RST4828AB



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.

06499-2228 DON 146 AB (HD 49939)

 
 
06h 49m 53.88s -22° 28' 22.3" P.A. 275.00 sep 0.9 mag 9.54,9.63 Sp A9V
 
 
Coord 2000 06499-2228 Discov num DON 146 Comp AB Coord arcsec 2000 06 49 53.88 -22 28 22.3
Date first 1931 Date last 2015 Obs 8
Pa first 287 Pa last 274.9 P.A. Now (θ) 274.9°
Sep first 0.7 Sep last 0.893 Sep. Now (ρ) 0.893"
Mag pri 9.54 Mag sec 9.63 delta mag (ΔM) 0.09 Spectral class A9V (white)
Pri motion ra -003 Sec motion ra -003
Pri motion dec +007 Sec motion dec +007
Notes
Nature of this double is uncertain.
 
 
06499-2228 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 49939 172394 06 49 54 -22 28 22 DON 146 AB 2015 8 275 0.9 9.54 9.63 0.09 <===
Show 172394 06 49 54 -22 28 22 ARA 1666 AC 1999 4 105 14.8 9.54 11.00 1.46
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 49939 Constellation Canis Major SAO 172394 Tycho2 5962-00239-1
Gaia DR2 2925774366775238912 HD 49939 DM CD-22 3561
 
 
WDS 06499-2228 DON 146 AB (HD 49939) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ara1961 Pa - Aravamudan, S. 1961PASP...73..266A
Ara1961 PASP 73, 266, 1961
Ara1963 Pa - Aravamudan, S. .
Ara1963 Pub. Nizamiah Obs. 13, Pt.3, 1963
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
06499-2228 DON 146 AB 1991 7 279 0.9 9.54 9.63 A9V 064953.88-222822.3
06499-2228 DON 146 AB 2015 8 275 0.9 9.54 9.63 A9V 064953.88-222822.3

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

 
 
WDS 06499-2228 DON 146 AB (HD 49939) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06499-2228 DON 146 AB (HD 49939) : MEASURES
 
 
No records found.

 
 
WDS 06499-2228 (HD 49939) : VIRTUAL EYEPIECE
 
 

06499-2228 DON 146A mag 9.54 Sp A9V 06499-2228 DON 146B sep 0.8 P.A. 275.30 mag 9.63 06499-2228 ARA1666C sep 13.8 P.A. 106.40 mag 11 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:
Components only
 
 
WDS 06499-2228 (HD 49939) : ALADIN DSS IMAGE @ 06h 49m 53.88s -22° 28' 22.3"
 
 
 
 
WDS 06499-2228 DON 146 AB (HD 49939) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06499-2228 DON 146AB distance=0' 06505-2223 TDS4200 distance=10' 06506-2212 TDS 291 distance=20' 06512-2217 ARA1667 distance=22' 06495-2201 TDS4176 distance=28' 06492-2257 TDS4171 distance=31' 06478-2210 HDO 90 distance=35' 06473-2246 ARA1663 distance=40' 06470-2241 DON 143 distance=42' 06476-2256 ARA1664 distance=43' 06485-2149 TDS4158 distance=45' 06527-2206 ARA1304 distance=46' 06475-2156 ARA1300 distance=47' 06491-2141 TDS4166 distance=49' 06507-2141 ARA1301 distance=49' 06470-2257 TDS4128 distance=50' 06532-2209 TDS4254 distance=50' 06523-2311 TDS4234 distance=55' 06525-2146 TDS4239 distance=57' 06529-2148 ARA1305 distance=57' 06541-2230 ARA1668 distance=59' 06458-2209 ARA1662 distance=60' 06523-2319 ARA2021 distance=61' 06542-2222 TDS4270 distance=61' 06528-2143 HDS 953 distance=61' 06541-2209 KPP2705 distance=62' 06528-2315 RST4828AB distance=62' 06528-2315 RST4828AC distance=62' 06471-2140 TDS4131 distance=62' 06496-2126 TDS4180 distance=63' 06544-2247 ARA1669 distance=65' 06484-2126 TDS4156 distance=67' 06499-2335 TDS4187 distance=67' 06475-2129 B 2610 distance=68' 06520-2127 B 2126 distance=68' 06530-2134 BRT 305 distance=69' 06449-2235 TDS4099 distance=69' 06542-2306 RSS 119 distance=71' 06524-2332 ARA2022 distance=73' 06448-2252 ARA1661 distance=75' 06484-2116 TDS4155 distance=76' 06551-2209 ARA1670 distance=76' 06496-2111 B 2125BC distance=78' 06515-2343 ARA2020 distance=78' 06496-2111 B 2125A,BC distance=78' 06496-2111 DAM 736AD distance=78' 06480-2342 ARA2017 distance=78' 06462-2331 ARA2015 distance=82' 06504-2350 I 762 distance=83' 06555-2202 SEE 72 distance=83' 06486-2350 ARA2018 distance=84' 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 06499-2228 DON 146 AB 275 0.9
Show 06499-2228 ARA1666 AC 105 14.8
Show 06505-2223 TDS4200 333 0.6 10
Show 06506-2212 TDS 291 232 1.8 20
Show 06512-2217 ARA1667 181 7.0 22
Show 06495-2201 TDS4176 9 0.7 28
Show 06492-2257 TDS4171 325 0.6 31
Show 06478-2210 HDO 90 41 7.0 35
Show 06473-2246 ARA1663 82 11.1 40
Show 06470-2241 DON 143 283 5.9 42
Show 06476-2256 ARA1664 97 15.1 43
Show 06485-2149 TDS4158 126 0.4 45
Show 06527-2206 ARA1304 12 15.6 46
Show 06475-2156 ARA1300 152 10.4 47
Show 06491-2141 TDS4166 162 0.4 49
Show 06507-2141 ARA1301 108 10.4 49
Show 06470-2257 TDS4128 357 0.6 50
Show 06532-2209 TDS4254 194 0.6 50
Show 06523-2311 TDS4234 322 0.5 55
Show 06525-2146 TDS4239 18 0.4 57
Show 06529-2148 ARA1305 261 11.1 57
Show 06541-2230 ARA1668 256 14.4 59
Show 06458-2209 ARA1662 304 14.7 60
Show 06523-2319 ARA2021 184 9.3 61
Show 06542-2222 TDS4270 343 0.8 61
Show 06528-2143 HDS 953 352 2.0 61
Show 06541-2209 KPP2705 191 15.3 62
Show 06528-2315 RST4828 AB 316 1.1 62
Show 06528-2315 RST4828 AC 269 3.4 62
Show 06471-2140 TDS4131 126 0.4 62
Show 06496-2126 TDS4180 330 0.8 63
Show 06544-2247 ARA1669 179 9.2 65
Show 06484-2126 TDS4156 357 1.9 67
Show 06499-2335 TDS4187 34 0.5 67
Show 06475-2129 B 2610 123 7.7 68
Show 06520-2127 B 2126 106 4.0 68
Show 06530-2134 BRT 305 169 4.7 69
Show 06449-2235 TDS4099 335 0.5 69
Show 06542-2306 RSS 119 69 9.5 71
Show 06524-2332 ARA2022 162 11.3 73
Show 06448-2252 ARA1661 275 6.7 75
Show 06484-2116 TDS4155 209 2.1 76
Show 06551-2209 ARA1670 255 7.7 76
Show 06496-2111 B 2125 BC 305 1.4 78
Show 06515-2343 ARA2020 11 6.2 78
Show 06496-2111 B 2125 A,BC 125 50.7 78
Show 06496-2111 DAM 736 AD 280 24.9 78
Show 06480-2342 ARA2017 127 11.4 78
Show 06462-2331 ARA2015 191 12.9 82
Show 06504-2350 I 762 357 0.5 83
Show 06555-2202 SEE 72 36 10.8 83

 
 
WDS 06499-2228 : COMPONENTS
 
 
  A B
B pa=275.3°
sep=0.83"
 
C pa=106.4°
sep=13.77"
pa=105.8°
sep=14.58"
 
 
06499-2228 A
 
 
Name HD 49939 Coord arcsec 2000 064953.88-222822.3 Mag 9.54 Spectral class A9V (white)
PmRA -3.00 PmDE 7.0 SAO 172394 Tycho2 5962-00239-1
HD 49939 DM CD-22 3561
Tycho2
Tycho2 5962-00239-1 Pflag P RAmdeg 102.47454116 DEmdeg -22.47288037
PmRA -3.3 PmDE 7.2 E RAmdeg 12 E DEmdeg 11
E pmRA 2.4 E pmDE 2.3 EpRAm 1991.16 EpDEm 1991.36
Num 5 Q RAmdeg 0.6 Q DEmdeg 0.4 Q pmRA 0.5
Q pmDE 0.3 BTmag 9.800 E BTmag 0.020 VTmag 9.535
E VTmag 0.018 Prox 9 TYC T HIP
CCDM RAdeg 102.47466111 DEdeg -22.47291306 EpRA 1990 1.60
EpDE 1990 1.74 E RAdeg 10.9 E DEdeg 9.4 Posflg D
Corr 0.1
SAO
SAO 172394 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.008 Vmag 8.8 SpType A5
Double code Source 25 CatNum 4050 DM CD-22 3561
DMcomp BDsup HD 49939 M HD 0
GC RA1950rad 1.7792979 DE1950rad -0.39119939 PmRA2000 -0.002
PmDE2000 -0.006
CCDM
Ccdm 06499-2228 RComp Comp A Note1
Note2 Discov num DRAs -0.27 DDEs -23.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.3 Sp A5 PmNote *
PmRA -33 PmDE -8 Dm number -22 1552 Cat1 BD
Name2 172394 Cat2 SAO HD 49939 M HD
ADS BDS M ADS BDS N IDS IDS 06457S2221A
HIC
 
 
06499-2228 B
 
 
Coord arcsec 2000 064953.82-222822.2 Mag 9.63 PmRA -3.00 PmDE 7.0
Tycho2 5962-00239-2 Calc delta mag 0.09 Calc coord yes
Tycho2
Tycho2 5962-00239-2 Pflag P RAmdeg 102.47454116 DEmdeg -22.47288037
PmRA -3.3 PmDE 7.2 E RAmdeg 12 E DEmdeg 11
E pmRA 2.4 E pmDE 2.3 EpRAm 1991.16 EpDEm 1991.36
Num 5 Q RAmdeg 0.6 Q DEmdeg 0.4 Q pmRA 0.5
Q pmDE 0.3 BTmag 9.970 E BTmag 0.021 VTmag 9.631
E VTmag 0.020 Prox 9 TYC T HIP
CCDM RAdeg 102.47439917 DEdeg -22.47287556 EpRA 1990 1.60
EpDE 1990 1.74 E RAdeg 12.1 E DEdeg 10.5 Posflg D
Corr 0.1
CCDM
Ccdm 06499-2228 RComp Comp B Note1
Note2 Discov num DON 146 DRAs DDEs
R dRAs Year 1932 Theta 287 Rho 0.8
Obs 4 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 06457S2221B
HIC
 
 
06499-2228 C
 
 
Coord arcsec 2000 064954.83-222826.2 Mag 11 PmRA -5.00 PmDE 8.0
Calc delta mag 1.46 Calc coord yes
CCDM
Ccdm 06499-2228 RComp Comp C Note1
Note2 Discov num ARA1666 DRAs DDEs
R dRAs Year 1921 Theta 106 Rho 15.0
Obs 2 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 06457S2221C
HIC