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Doubles in session


Current system
23395-4638
DUN 251
The Phe


Nearby doubles
15' : 23384-4629
RSS 581

29' : 23375-4618
I 1473

42' : 23400-4720
HDO 303

43' : 23431-4619
DAW 28AB

47' : 23359-4610
LDS 818

58' : 23399-4735
HU 1336

62' : 23389-4537
SHY 836

67' : 23332-4655
RST1169

75' : 23333-4718
COO 257

81' : 23473-4643
CPO 639

83' : 23320-4610
CPO 98

83' : 23385-4801
I 1474

85' : 23382-4515
B 2908

85' : 23344-4533
KPP1036

85' : 23312-4638
TDT4081

86' : 23354-4524
RST3327

100' : 23308-4724
TOK 868

101' : 23448-4515
COO 260AB

105' : 23493-4708
I 1608

107' : 23326-4520
RST3325

116' : 23294-4730
TDT4063

116' : 23327-4507
SEE 488

122' : 23363-4835
LDS 819AB

122' : 23467-4503
CPO 104

134' : 23347-4843
TDT4105

136' : 23497-4805
HDS3384



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

23395-4638 DUN 251 (The Phe)

 
 
23h 39m 27.96s -46° 38' 16.1" P.A. 227.00 sep 3.9 mag 6.53,7.27 Sp A8V+F0V dist. 78.86 pc (257.24 l.y.)
 
 
Coord 2000 23395-4638 Discov num DUN 251 Comp Coord arcsec 2000 23 39 27.96 -46 38 16.1
Date first 1834 Date last 2017 Obs 51
Pa first 270 Pa last 227.4 P.A. Now (θ) 227.4°
Sep first 3.0 Sep last 3.855 Sep. Now (ρ) 3.855"
Mag pri 6.53 Mag sec 7.27 delta mag (ΔM) 0.74 Spectral class A8V+F0V (white/yellow-white)
Pri motion ra +021 Sec motion ra +025
Pri motion dec +042 Sec motion dec +037
Notes N T (See Notes, Parallax indicates physical)
rPM=0.136 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name The Phe Constellation Phoenix SAO 231719 HIP 116737
Tycho2 8456-00500-1 Gaia DR2 6525488231089676800 HD 222287 HR 8966
GC 32866 CD CD-4714651 CP CP-4710023 Bayer Theta Phoenicis
Bayer name The Phe Distance 78.86 Distance ly 257.24 Bayer greek θ Phe
 
 
WDS 23395-4638 DUN 251 (The Phe) : NOTES
 
 
discov_num notes refcode
DUN 251 the Phe
RMK 27. Rectilinear solution by Letchford et al. (2018). LRR2018a
Despite the linear solution, proper motion and parallax favor a Grv2020a
physical connection. Long period and/or high eccentricity possible.
 
 
REFERENCES
 
 
refcode metd author reference
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
LRR2018a lin - Letchford, R.R., White, G.L. & Ernest, A.D. 2018JDSO...14..208L
LRR2018a JDSO 14, 208, 2018 .
 
 
DISCOVERER
 
 
idgroup discov author
1 DUN Dunlop, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23395-4638 DUN 251 2004 44 277 3.9 6.53 7.27 A8V+F0V N D 233927.96-463816.1
23395-4638 DUN 251 2008 45 278 3.9 6.53 7.27 A8V+F0V N D 233927.96-463816.1
23395-4638 DUN 251 2009 46 278 3.9 6.53 7.27 A8V F0V N D 233927.96-463816.1
23395-4638 DUN 251 2013 48 279 4.1 6.53 7.27 A8V+F0V N D 233927.96-463816.1
23395-4638 DUN 251 2017 50 227 3.9 6.53 7.27 A8V+F0V NL 233927.96-463816.1

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

 
 
WDS 23395-4638 DUN 251 (The Phe) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23395-4638 DUN 251 (The Phe) : MEASURES
 
 
No records found.

 
 
WDS 23395-4638 (The Phe) : VIRTUAL EYEPIECE
 
 

23395-4638 DUN 251A mag 6.53 Sp A8V 23395-4638 DUN 251B sep 3.3 P.A. 216.70 mag 7.27 Sp F0V 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 23395-4638 (The Phe) : ALADIN DSS IMAGE @ 23h 39m 27.96s -46° 38' 16.1"
 
 
 
 
WDS 23395-4638 DUN 251 (The Phe) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23395-4638 DUN 251 distance=0' 23384-4629 RSS 581 distance=15' 23375-4618 I 1473 distance=29' 23431-4619 I 1607CD distance=42' 23400-4720 HDO 303 distance=42' 23431-4619 DAW 28AB distance=43' 23431-4619 HJ 5416AC distance=43' 23359-4610 LDS 818 distance=47' 23399-4735 HU 1336 distance=58' 23389-4537 SHY 836 distance=62' 23332-4655 RST1169 distance=67' 23333-4718 COO 257 distance=75' 23473-4643 CPO 639 distance=81' 23320-4610 CPO 98 distance=83' 23385-4801 I 1474 distance=83' 23382-4515 B 2908 distance=85' 23344-4533 KPP1036 distance=85' 23312-4638 TDT4081 distance=85' 23354-4524 RST3327 distance=86' 23308-4724 TOK 868 distance=100' 23448-4515 COO 260AB distance=101' 23448-4515 COO 260AC distance=101' 23493-4708 I 1608 distance=105' 23326-4520 RST3325 distance=107' 23294-4730 TDT4063 distance=116' 23327-4507 SEE 488 distance=116' 23363-4835 LDS 819AB distance=122' 23363-4835 GAT 32AC distance=122' 23467-4503 CPO 104 distance=122' 23347-4843 TDT4105 distance=134' 23497-4805 HDS3384 distance=136' 23265-4607 LDS6398 distance=136' 23457-4439 HJ 5418 distance=137' 23456-4841 HDS3376 distance=138' 23528-4718 NSN 461 distance=143' 23346-4425 KPP 532 distance=143' 23520-4533 I 698 distance=147' 23421-4414 DON1052 distance=147' 23356-4901 TDT4115 distance=149' 23257-4537 TOK 866 distance=156' 23542-4722 TDS1227 distance=158' 23323-4417 DON1050 distance=161' 23546-4555 B 625 distance=163' 23252-4757 TOI 319 distance=166' 23234-4657 RST1167 distance=167' 23232-4632 RST1166 distance=168' 23249-4521 KPP1928 distance=171' 23324-4913 UC 4979 distance=171' 23501-4425 KPP1245 distance=174' 23226-4700 HJ 5396 distance=174' 23336-4924 KPP4321 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 23395-4638 DUN 251 227 3.9
Show 23384-4629 RSS 581 192 7.9 15
Show 23375-4618 I 1473 84 15.4 29
Show 23431-4619 I 1607 CD 172 0.5 42
Show 23400-4720 HDO 303 67 2.0 42
Show 23431-4619 DAW 28 AB 76 3.6 43
Show 23431-4619 HJ 5416 AC 215 45.2 43
Show 23359-4610 LDS 818 182 67.3 47
Show 23399-4735 HU 1336 285 2.0 58
Show 23389-4537 SHY 836 122 804.4 62
Show 23332-4655 RST1169 231 1.7 67
Show 23333-4718 COO 257 185 5.9 75
Show 23473-4643 CPO 639 358 7.1 81
Show 23320-4610 CPO 98 104 33.2 83
Show 23385-4801 I 1474 245 0.3 83
Show 23382-4515 B 2908 93 3.8 85
Show 23344-4533 KPP1036 153 8.3 85
Show 23312-4638 TDT4081 157 0.5 85
Show 23354-4524 RST3327 238 0.7 86
Show 23308-4724 TOK 868 195 0.2 100
Show 23448-4515 COO 260 AB 306 4.1 101
Show 23448-4515 COO 260 AC 7 27.6 101
Show 23493-4708 I 1608 141 1.2 105
Show 23326-4520 RST3325 122 0.2 107
Show 23294-4730 TDT4063 237 0.5 116
Show 23327-4507 SEE 488 328 19.5 116
Show 23363-4835 LDS 819 AB 304 28.9 122
Show 23363-4835 GAT 32 AC 329 322.9 122
Show 23467-4503 CPO 104 162 2.3 122
Show 23347-4843 TDT4105 233 0.4 134
Show 23497-4805 HDS3384 20 0.5 136
Show 23265-4607 LDS6398 315 12.7 136
Show 23457-4439 HJ 5418 134 8.1 137
Show 23456-4841 HDS3376 35 0.3 138
Show 23528-4718 NSN 461 224 1.6 143
Show 23346-4425 KPP 532 7 3.9 143
Show 23520-4533 I 698 235 0.3 147
Show 23421-4414 DON1052 269 3.4 147
Show 23356-4901 TDT4115 52 0.6 149
Show 23257-4537 TOK 866 74 0.3 156
Show 23542-4722 TDS1227 31 1.2 158
Show 23323-4417 DON1050 150 1.3 161
Show 23546-4555 B 625 58 1.4 163
Show 23252-4757 TOI 319 76 0.1 166
Show 23234-4657 RST1167 343 2.8 167
Show 23232-4632 RST1166 133 2.7 168
Show 23249-4521 KPP1928 328 15.2 171
Show 23324-4913 UC 4979 14 26.7 171
Show 23501-4425 KPP1245 54 9.6 174
Show 23226-4700 HJ 5396 146 12.2 174
Show 23336-4924 KPP4321 257 1.9 176

 
 
WDS 23395-4638 : COMPONENTS
 
 
  A
B pa=216.7°
sep=3.26"
 
 
23395-4638 A
 
 
Componente originario normalizzato AB Name The Phe Coord arcsec 2000 233927.96-463816.1 Mag 6.53
Spectral class A8V (white) PmRA 21.00 PmDE 42.0 SAO 231719
HIP 116737 Tycho2 8456-00500-1 HD 222287 HR 8966
GC 32866 CD CD-4714651 CP CP-4710023 Bayer Theta
Bayer name The
Tycho2
Tycho2 8456-00500-1 Pflag RAmdeg 354.86650709 DEmdeg -46.63781328
PmRA 39.1 PmDE 32.3 E RAmdeg 5 E DEmdeg 5
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.53 EpDEm 1991.67
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.9 BTmag 6.754 E BTmag 0.015 VTmag 6.525
E VTmag 0.011 Prox 39 TYC T HIP 116737
CCDM A RAdeg 354.86637389 DEdeg -46.63788750 EpRA 1990 1.59
EpDE 1990 1.74 E RAdeg 5.4 E DEdeg 4.9 Posflg
Corr -0.1
SAO
SAO 231719 DelFlag RA1950 PmRA1950 0.0026
DE1950 PmDE1950 0.039 Vmag 6.6 SpType A3
Double code Source 70 CatNum 32866 DM CD-4714651
DMcomp A BDsup HD 222287 M HD 0
GC 32866 RA1950rad 6.18190613 DE1950rad -0.81882921 PmRA2000 0.0027
PmDE2000 0.033
Hipparcos
Catalog H HIP 116737 Proxy H RAhms 23 39 27.92
DEdms -46 38 16.4 Vmag 6.07 VarFlag R Vmag G
RAdeg 354.866 DEdeg -46.6379 AstroRef A Plx 11.74
CCDM 23395-4638 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 277 Rho 3.903 HD 222287 BD
CD CD-4714651 CP CP-4710023 Dm number -4714651 VIred 0.27
SpType A+... R SpType Coord arcsec 2000 233927.92-463816.4
Hipparcos 2
HIP 116737 Sn 15 So 3 Nc 2
RArad 6.1935862962 DErad -0.8139848774 Plx 12.68 PmRA 22.37
PmDE 40.39 E RArad 0.58 E DErad 0.45 E Plx 0.68
E pmRA 0.71 E pmDE 0.53 Hpmag 6.1486 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.24 E BV 0.007
VI 0.27
CCDM
Ccdm 23395-4638 RComp Comp A Note1
Note2 Discov num DRAs -2.00 DDEs -16.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.6 Sp A3 PmNote *
PmRA 25 PmDE 35 Dm number -4714651 Cat1 CD
Name2 231719 Cat2 SAO HD 222287 M HD
ADS BDS M ADS BDS N IDS IDS 23341S4712A
HIC 116737
 
 
23395-4638 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 233927.77-463818.7 Mag 7.27 Spectral class F0V (yellow-white)
PmRA 25.00 PmDE 37.0 Calc delta mag 0.74 Calc coord yes
CCDM
Ccdm 23395-4638 RComp Comp B Note1
Note2 Discov num DUN 251 DRAs -2.45 DDEs -15.6
R dRAs 10 Year 1959 Theta 275 Rho 4.0
Obs 22 Vmag 7.2 Sp PmNote *
PmRA 29 PmDE 43 Dm number Cat1
Name2 231718 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 23341S4712B
HIC 116737