01578-2154 BIL 2 AB (DK Cet)

 
 
01h 57m 48.91s -21° 54' 04.9" P.A. 294.00 sep 0.2 mag 8.00, Sp G4V dist. 40.9 pc (133.42 l.y.)
 
 
Coord 2000 01578-2154 Discov num BIL   2 Comp AB Coord arcsec 2000 01 57 48.91 -21 54 04.9
Date first 2004 Date last 2018 Obs 2
Pa first 355 Pa last 293.9 P.A. Now (θ) 293.9°
Sep first 0.2 Sep last 0.232 Sep. Now (ρ) 0.232"
Mag pri 8.00 Mag sec delta mag (ΔM) Spectral class G4V (yellow)
Pri motion ra +104 Sec motion ra
Pri motion dec -051 Sec motion dec
Notes W
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name DK Cet Constellation Cetus SAO 167434 HIP 9141
Tycho2 5858-00364-1 HD 12039 BD BD-22 325 CD CD-22 656
CP CP-22 196 Distance 40.9 Distance ly 133.42
 
 
WDS 01578-2154 BIL 2 AB (DK Cet) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BIL Biller, B.A., Kasper, M., Close, L.M., Brandner, W., & Kellner, S.
BIL Biller, B.A., Close, L., Masciadri, E., Nielsen, E., Lenzen, R., Brandner, W.,
BIL McCarthy, D., Hartung, M., et al.
BIL Biller, B.A., Liu, M.C., Wahhaj, Z., Nielsen, E.L., Close, L.M., Dupuy, T.J.,
BIL Hayward, T.L., Burrows, A., Chun, M., Ftaclas, C., Clarke, F., Hartung, M., et al.
BIL Biller, B.A., Lacour, S., Juhasz, A., Benisty, M., Chauvin, G., Olofsson, J.,
BIL Pott, J., Muller, A., Sicilia-Aguilar, A., Bonnefoy, M., Tuthill, P.,
BIL Thebault, P., et al.
BIL Biller, B.A., Males, J., Rodigas, T., Morzinski, K., Close, L.M., Juhasz, A.,
BIL Follette, K.B., Lacour, S., Benisty, M., Sicilia-Aguilar, A., Hinz, P.M.,
BIL Weinberger, A., Henning, T., Pott, J.-U., Bonnefoy, M., & KOhler, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
01578-2154 BIL 2 AB 2004 1 355 0.2 8.00   G4V -22 325 W 015748.91-215404.9
01578-2154 BIL 2 AB 2018 2 294 0.2 8.00   G4V -22 325 W 015748.91-215404.9

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WDS 01578-2154 BIL 2 AB (DK Cet) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01578-2154 BIL 2 AB (DK Cet) : MEASURES
 
 
No records found.

 
 
WDS 01578-2154 (DK Cet) : VIRTUAL EYEPIECE
 
 

01578-2154 BIL 2A mag 8 Sp G4V 01578-2154 BIL 2B sep 0.2 P.A. 293.90 virtual eyepiece
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Radius:
Components only
 
 
WDS 01578-2154 (DK Cet) : ALADIN DSS IMAGE @ 01h 57m 48.91s -21° 54' 04.9"
 
 
 
 
WDS 01578-2154 BIL 2 AB (DK Cet) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01578-2154 BIL 2AB distance=0' 01588-2212 HJ 2103 distance=23' 01559-2150 DON 27 distance=27' 01553-2134 DON 26 distance=42' 01547-2133 HJ 2098 distance=49' 02018-2217 DAM1287 distance=61' 01562-2058 KPP2145 distance=61' 02018-2221 ARA1612 distance=61' 01590-2255 H 2 58AB distance=64' 01590-2255 SKF2159AC distance=64' 02026-2158 TOK 946 distance=67' 02024-2223 TDS2092 distance=70' 01575-2045 ARA1258 distance=70' 01584-2304 LDS3330 distance=70' 02025-2225 DON 28 distance=72' 01544-2250 LDS3322 distance=74' 01523-2213 TSN 71 distance=80' 01581-2319 LDS3328 distance=85' 01592-2332 ARA2290 distance=100' 01568-2336 I 453 distance=104' 01509-2238 HJ 3470 distance=106' 01519-2309 I 450 distance=111' 02060-2209 SEE 16 distance=115' 02026-2019 HJ 2106 distance=117' 02058-2236 DON 29 distance=118' 01567-1953 UC 649 distance=123' 01505-2042 ARA1257 distance=125' 01522-2346 SPM 6BC distance=137' 01522-2346 SPM 6AB distance=137' 01489-2053 ARA1256 distance=139' 02022-2402 HDS 272AB distance=142' 02022-2402 TOK 41Ba,Bb distance=142' 01532-1947 TDS2040 distance=143' 02019-1944 TDS2090 distance=143' 02037-1953 B 2556 distance=147' 01473-2131 ARA1611 distance=149' 02043-1953 UC 679 distance=152' 01503-2346 HU 1212 distance=153' 02029-1938 HJ 2107 distance=154' 01528-1930 TOK 462 distance=160' 01553-2433 HDS 262 distance=164' 01469-2255 GKM9030AB distance=164' 01470-2045 HJ 2086AB distance=165' 01470-2045 HJ 2086AC distance=165' 02094-2231 HDS 288 distance=166' 01454-2159 HDS 233 distance=173' 01460-2056 UC 624 distance=175' 02070-1948 ARA 830 distance=180' 01539-1900 B 23 distance=183' 02057-2423 WSI 71Aa,Ab distance=184' 02057-2423 I 454AB distance=184' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 01578-2154 BIL 2 AB 294 0.2 0
Show 01588-2212 HJ 2103 42 59.0 23
Show 01559-2150 DON 27 294 0.1 27
Show 01553-2134 DON 26 173 1.6 42
Show 01547-2133 HJ 2098 345 20.5 49
Show 02018-2217 DAM1287 318 14.9 61
Show 01562-2058 KPP2145 283 17.5 61
Show 02018-2221 ARA1612 129 5.8 61
Show 01590-2255 H 2 58 AB 302 8.7 64
Show 01590-2255 SKF2159 AC 356 167.5 64
Show 02026-2158 TOK 946 147 0.9 67
Show 02024-2223 TDS2092 3 0.7 70
Show 01575-2045 ARA1258 337 7.9 70
Show 01584-2304 LDS3330 102 2.2 70
Show 02025-2225 DON 28 117 2.4 72
Show 01544-2250 LDS3322 317 13.9 74
Show 01523-2213 TSN 71 147 204.0 80
Show 01581-2319 LDS3328 20 70.1 85
Show 01592-2332 ARA2290 170 16.4 100
Show 01568-2336 I 453 344 0.5 104
Show 01509-2238 HJ 3470 299 10.2 106
Show 01519-2309 I 450 209 0.1 111
Show 02060-2209 SEE 16 102 0.1 115
Show 02026-2019 HJ 2106 68 27.0 117
Show 02058-2236 DON 29 145 4.1 118
Show 01567-1953 UC 649 165 13.1 123
Show 01505-2042 ARA1257 89 1.1 125
Show 01522-2346 SPM 6 BC 353 5.5 137
Show 01522-2346 SPM 6 AB 54 25.8 137
Show 01489-2053 ARA1256 296 8.8 139
Show 02022-2402 HDS 272 AB 307 0.5 142
Show 02022-2402 TOK 41 Ba,Bb 167 0.1 142
Show 01532-1947 TDS2040 268 0.5 143
Show 02019-1944 TDS2090 181 0.7 143
Show 02037-1953 B 2556 57 5.6 147
Show 01473-2131 ARA1611 226 13.2 149
Show 02043-1953 UC 679 50 34.9 152
Show 01503-2346 HU 1212 197 4.7 153
Show 02029-1938 HJ 2107 358 11.3 154
Show 01528-1930 TOK 462 290 999.9 160
Show 01553-2433 HDS 262 50 0.1 164
Show 01469-2255 GKM9030 AB 129 2.7 164
Show 01470-2045 HJ 2086 AB 106 11.3 165
Show 01470-2045 HJ 2086 AC 181 23.1 165
Show 02094-2231 HDS 288 100 0.1 166
Show 01454-2159 HDS 233 302 0.2 173
Show 01460-2056 UC 624 84 5.6 175
Show 02070-1948 ARA 830 53 1.2 180
Show 01539-1900 B 23 133 4.6 183
Show 02057-2423 WSI 71 Aa,Ab 283 0.0 184
Show 02057-2423 I 454 AB 170 0.5 184

 
 
WDS 01578-2154 : COMPONENTS
 
 
  A
B pa=293.9°
sep=0.23"
 
 
01578-2154 A
 
 
Name DK Cet Coord arcsec 2000 015748.91-215404.9 Mag 8 Spectral class G4V (yellow)
PmRA 104.00 PmDE -51.0 SAO 167434 HIP 9141
Tycho2 5858-00364-1 HD 12039 BD BD-22 325 CD CD-22 656
CP CP-22 196
Tycho2
Tycho2 5858-00364-1 Pflag RAmdeg 29.45407140 DEmdeg -21.90147798
PmRA 103.0 PmDE -48.4 E RAmdeg 5 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.31 EpDEm 1991.17
Num 10 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 8.883 E BTmag 0.017 VTmag 8.147
E VTmag 0.012 Prox 999 TYC T HIP 9141
CCDM RAdeg 29.45381889 DEdeg -21.90136750 EpRA 1990 1.81
EpDE 1990 1.78 E RAdeg 5.4 E DEdeg 6.3 Posflg
Corr -0.1
SAO
SAO 167434 DelFlag RA1950 PmRA1950 0.0069
DE1950 PmDE1950 -0.022 Vmag 8.4 SpType G5
Double code Source 25 CatNum 911 DM CD-22 656
DMcomp BDsup HD 12039 M HD 0
GC RA1950rad 0.50381878 DE1950rad -0.38648136 PmRA2000 0.0071
PmDE2000 -0.026
Hipparcos
Catalog H HIP 9141 Proxy RAhms 01 57 48.91
DEdms -21 54 04.9 Vmag 8.07 VarFlag 2 R Vmag H
RAdeg 29.4538 DEdeg -21.9014 AstroRef Plx 23.61
CCDM 103.86 N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-22 325
CD CD-22 656 CP CP-22 196 Dm number -22 325 VIred 0.71
SpType G3/G5V R SpType Coord arcsec 2000 015748.91-215404.9
Hipparcos 2
HIP 9141 Sn 5 So 0 Nc 1
RArad 0.5140658127 DErad -0.3822508726 Plx 24.45 PmRA 105.08
PmDE -50.6 E RArad 0.55 E DErad 0.44 E Plx 0.67
E pmRA 0.72 E pmDE 0.54 Hpmag E Hpmag 0.0044
SHp 0.038 VA 2 BV 0.651 E BV 0.012
VI 0.71
 
 
01578-2154 B
 
 
Coord arcsec 2000 015748.89-215404.8 Delta magnitude 8 Coordinate calculated yes