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Doubles in session


Current system
03398-4022
DUN 15
HD 22986


Nearby doubles
17' : 03408-4010
NSN 201

30' : 03423-4027
UC 1048

30' : 03412-4046
ARY 90AB

44' : 03429-4047
B 1458

45' : 03371-4054
B 1454

46' : 03436-4036
UC 1053

52' : 03353-4020
TSN 111

53' : 03441-4040
HJ 3589AB

64' : 03411-4123
TDS2626

70' : 03457-4011
CPO 31

72' : 03383-3911
UC 1036

79' : 03331-4040
TDS2575

80' : 03465-4039
HJ 3593

89' : 03462-4112
CBL 122

89' : 03404-4150
UC 1041

91' : 03453-4126
B 1459

92' : 03404-3849
KPP3536

95' : 03317-4041
UC 1018

99' : 03317-4100
UC 1019

102' : 03313-3951
KPP2825

108' : 03482-4111
HDS 480

113' : 03406-4213
TDS2622

115' : 03422-3830
RST2318

129' : 03285-4009
WG 19

138' : 03285-4112
NSN 200

139' : 03475-3836
KPP1295



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.

03398-4022 DUN 15 (HD 22986)

 
 
03h 39m 45.49s -40° 21' 08.3" P.A. 327.00 sep 7.5 mag 6.93,7.72 Sp A3V dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000 03398-4022 Discov num DUN  15 Comp Coord arcsec 2000 03 39 45.49 -40 21 08.3
Date first 1826 Date last 2020 Obs 43
Pa first 335 Pa last 327.1 P.A. Now (θ) 327.1°
Sep first 4.0 Sep last 7.466 Sep. Now (ρ) 7.466"
Mag pri 6.93 Mag sec 7.72 delta mag (ΔM) 0.79 Spectral class A3V (white)
Pri motion ra +021 Sec motion ra +021
Pri motion dec +008 Sec motion dec +008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 22986 Constellation Eridanus SAO 216431 HIP 17099
Tycho2 7572-01505-1 Gaia DR2 4849246401941883264 HD 22986 GC 4391
CD CD-40 1027 CP CP-40 343 Distance 132.28 Distance ly 431.5
 
 
WDS 03398-4022 DUN 15 (HD 22986) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03398-4022 DUN 15 1999 37 328 7.6 6.93 7.72 A3V D 033945.49-402108.3
03398-4022 DUN 15 2009 36 329 7.8 6.93 7.72 A3V D 033945.49-402108.3
03398-4022 DUN 15 2013 38 330 7.7 6.93 7.72 A3V D 033945.49-402108.3
03398-4022 DUN 15 2015 40 328 7.7 6.93 7.72 A3V 033945.49-402108.3
03398-4022 DUN 15 2020 41 327 7.5 6.93 7.72 A3V 033945.49-402108.3

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

 
 
WDS 03398-4022 DUN 15 (HD 22986) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03398-4022 DUN 15 (HD 22986) : MEASURES
 
 
No records found.

 
 
WDS 03398-4022 (HD 22986) : VIRTUAL EYEPIECE
 
 

03398-4022 DUN 15A mag 6.93 Sp A3V 03398-4022 DUN 15B sep 7.0 P.A. 333.80 mag 7.72 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03398-4022 (HD 22986) : ALADIN DSS IMAGE @ 03h 39m 45.49s -40° 21' 08.3"
 
 
 
 
WDS 03398-4022 DUN 15 (HD 22986) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03398-4022 DUN 15 distance=0' 03408-4010 NSN 201 distance=17' 03423-4027 UC 1048 distance=30' 03412-4046 ARY 90AB distance=30' 03412-4046 SKF2462AC distance=30' 03429-4047 B 1458 distance=44' 03371-4054 B 1454 distance=45' 03436-4036 UC 1053 distance=46' 03353-4020 TSN 111 distance=52' 03441-4040 HJ 3589AB distance=53' 03411-4123 TDS2626 distance=64' 03457-4011 CPO 31 distance=70' 03383-3911 UC 1036 distance=72' 03331-4040 TDS2575 distance=79' 03465-4039 HJ 3593 distance=80' 03462-4112 CBL 122 distance=89' 03404-4150 UC 1041 distance=89' 03453-4126 B 1459 distance=91' 03404-3849 KPP3536 distance=92' 03317-4041 UC 1018 distance=95' 03317-4100 UC 1019 distance=99' 03313-3951 KPP2825 distance=102' 03482-4111 HDS 480 distance=108' 03406-4213 TDS2622 distance=113' 03422-3830 RST2318 distance=115' 03285-4009 WG 19 distance=129' 03449-3820 LDS3529DB distance=135' 03285-4112 NSN 200 distance=138' 03475-3836 KPP1295 distance=139' 03274-4113 TOK 819 distance=151' 03522-4133 RST1260 distance=158' 03301-4220 DON1062 distance=162' 03544-4021 FIN 344AB distance=168' 03544-4021 HDO 188AB,C distance=168' 03270-3901 TDS2550 distance=168' 03257-4120 I 1484 distance=170' 03439-3735 LDS3528 distance=174' 03344-4305 KPP 787 distance=175' 03299-4238 EHR 4 distance=176' 03548-3940 RST1262 distance=178' 03506-4234 EGN 3 distance=181' 03506-3813 RST2326 distance=181' 03520-4219 CPO 120 distance=182' 03271-3827 SHN 79 distance=186' 03428-3719 B 1034AB distance=186' 03236-4005 I 468 distance=186' 03541-4152 B 1461 distance=187' 03559-4105 B 2088 distance=188' 03233-4027 TOI2335AB distance=188' 03529-3829 TDS2676 distance=190' 03456-3722 KPP3543 distance=192' 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 03398-4022 DUN 15 327 7.5
Show 03408-4010 NSN 201 256 1.1 17
Show 03423-4027 UC 1048 187 29.6 30
Show 03412-4046 ARY 90 AB 294 78.2 30
Show 03412-4046 SKF2462 AC 196 13.0 30
Show 03429-4047 B 1458 332 1.0 44
Show 03371-4054 B 1454 333 1.6 45
Show 03436-4036 UC 1053 258 92.1 46
Show 03353-4020 TSN 111 122 999.9 52
Show 03441-4040 HJ 3589 AB 350 5.0 53
Show 03411-4123 TDS2626 127 0.7 64
Show 03457-4011 CPO 31 211 3.8 70
Show 03383-3911 UC 1036 208 24.9 72
Show 03331-4040 TDS2575 98 1.1 79
Show 03465-4039 HJ 3593 139 15.4 80
Show 03462-4112 CBL 122 257 66.1 89
Show 03404-4150 UC 1041 120 11.8 89
Show 03453-4126 B 1459 348 0.3 91
Show 03404-3849 KPP3536 131 1.8 92
Show 03317-4041 UC 1018 19 16.7 95
Show 03317-4100 UC 1019 11 51.6 99
Show 03313-3951 KPP2825 94 0.9 102
Show 03482-4111 HDS 480 56 0.3 108
Show 03406-4213 TDS2622 314 0.6 113
Show 03422-3830 RST2318 91 0.5 115
Show 03285-4009 WG 19 354 6.3 129
Show 03449-3820 LDS3529 DB 351 2.9 135
Show 03285-4112 NSN 200 264 5.0 138
Show 03475-3836 KPP1295 78 9.9 139
Show 03274-4113 TOK 819 269 0.1 151
Show 03522-4133 RST1260 285 2.2 158
Show 03301-4220 DON1062 147 4.7 162
Show 03544-4021 FIN 344 AB 251 0.0 168
Show 03544-4021 HDO 188 AB,C 167 23.6 168
Show 03270-3901 TDS2550 184 1.0 168
Show 03257-4120 I 1484 308 3.1 170
Show 03439-3735 LDS3528 193 51.6 174
Show 03344-4305 KPP 787 104 6.8 175
Show 03299-4238 EHR 4 301 5.2 176
Show 03548-3940 RST1262 120 1.7 178
Show 03506-4234 EGN 3 21 2.9 181
Show 03506-3813 RST2326 120 0.2 181
Show 03520-4219 CPO 120 205 4.6 182
Show 03271-3827 SHN 79 98 1.2 186
Show 03428-3719 B 1034 AB 20 5.4 186
Show 03236-4005 I 468 127 2.8 186
Show 03541-4152 B 1461 52 0.1 187
Show 03559-4105 B 2088 229 8.6 188
Show 03233-4027 TOI2335 AB 55 3.8 188
Show 03529-3829 TDS2676 236 2.0 190
Show 03456-3722 KPP3543 352 3.1 192

 
 
WDS 03398-4022 : COMPONENTS
 
 
  A
B pa=333.8°
sep=6.99"
 
 
03398-4022 A
 
 
Componente originario normalizzato AB Name HD 22986 Coord arcsec 2000 033945.49-402108.3 Mag 6.93
Spectral class A3V (white) PmRA 21.00 PmDE 8.0 SAO 216431
HIP 17099 Tycho2 7572-01505-1 HD 22986 GC 4391
CD CD-40 1027 CP CP-40 343
Tycho2
Tycho2 7572-01505-1 Pflag RAmdeg 54.93955649 DEmdeg -40.35230859
PmRA 43.6 PmDE -32.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.35 EpDEm 1991.33
Num 6 Q RAmdeg 8.0 Q DEmdeg 9.9 Q pmRA 8.4
Q pmDE 9.9 BTmag 7.089 E BTmag 0.015 VTmag 6.929
E VTmag 0.010 Prox 77 TYC T HIP 17099
CCDM A RAdeg 54.93942444 DEdeg -40.35223444 EpRA 1990 1.65
EpDE 1990 1.62 E RAdeg 4.1 E DEdeg 4.2 Posflg
Corr -0.2
SAO
SAO 216431 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 0.019 Vmag 7.3 SpType A2
Double code Source 70 CatNum 4391 DM CD-40 1027
DMcomp A BDsup HD 22986 M HD 0
GC 4391 RA1950rad 0.95106685 DE1950rad -0.70708825 PmRA2000 0.0015
PmDE2000 0.016
Hipparcos
Catalog H HIP 17099 Proxy H RAhms 03 39 45.46
DEdms -40 21 08.0 Vmag 6.55 VarFlag 1 R Vmag H
RAdeg 54.9394 DEdeg -40.3522 AstroRef A Plx 6.42
CCDM 03398-4021 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 328 Rho 7.716 HD 22986 BD
CD CD-40 1027 CP CP-40 343 Dm number -40 1027 VIred 0.14
SpType A3V R SpType Coord arcsec 2000 033945.46-402108.0
Hipparcos 2
HIP 17099 Sn 15 So 3 Nc 2
RArad 0.958873884 DErad -0.704279338 Plx 7.56 PmRA 20.4
PmDE 8.04 E RArad 0.61 E DErad 0.71 E Plx 0.87
E pmRA 0.78 E pmDE 1.07 Hpmag 6.6053 E Hpmag 0.0015
SHp 0.015 VA 2 BV 0.141 E BV 0.008
VI 0.16
 
 
03398-4022 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 033945.22-402102.0 Mag 7.72 PmRA 21.00
PmDE 8.0 Tycho2 7572-01750-1 Calc delta mag 0.79 Calc coord yes
Tycho2
Tycho2 7572-01750-1 Pflag RAmdeg 54.93801083 DEmdeg -40.35039145
PmRA 22.6 PmDE 10.2 E RAmdeg 5 E DEmdeg 5
E pmRA 2.0 E pmDE 2.0 EpRAm 1991.57 EpDEm 1991.48
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 7.852 E BTmag 0.015 VTmag 7.723
E VTmag 0.012 Prox 77 TYC T HIP 17099
CCDM B RAdeg 54.93794222 DEdeg -40.35041528 EpRA 1990 1.67
EpDE 1990 1.58 E RAdeg 5.0 E DEdeg 5.3 Posflg
Corr -0.2