02027+1234 HJ 20 AB

02^h 02^m 42.47^s +12° 33' 50.5" P.A. 1.00 sep 22.5 mag 10.15,12.33 Sp G5

Coord 2000	02027+1234	Discov num	HJ 20	Comp	AB	Coord arcsec 2000	02 02 42.47 +12 33 50.5
Date first	1825	Date last	2015	Obs	15
Pa first	15	Pa last	0.7	P.A. Now (θ)	0.7°
Sep first	25.0	Sep last	22.483	Sep. Now (ρ)	22.483"
Mag pri	10.15	Mag sec	12.33	delta mag (ΔM)	2.18	Spectral class	G5 (yellow)
Pri motion ra	+040	Sec motion ra	+021
Pri motion dec	-005	Sec motion dec	+001
Notes

rPM=0.494

Nature of this double is uncertain.

02027+1234 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			02 02 42 +12 33 50	HJ 20 AB	2015	15	1	22.5	10.15	12.33	2.18		<===
Show			02 02 43 +12 34 13	SIN 2 BC	2015	8	78	10.3	12.33	14.06	1.73

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aries

Tycho2

0636-01111-1

Gaia DR2

76644760844603520

WDS 02027+1234 HJ 20 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HJ_1826	Mb -	Herschel, J.F.W.	1826MmRAS...2..459H
HJ_1826		MemRAS 2, 459, 1826
HJ_1829a	Mb -	Herschel, J.F.W.	1829MmRAS...3...47H
HJ_1829a		MemRAS 3, 47, 1829
HJ_1829b	Mb -	Herschel, J.F.W.	1829MmRAS...3..177H
HJ_1829b		MemRAS 3, 177, 1829
HJ_1831	Ma -	Herschel, J.F.W.	1831MmRAS...4..331H
HJ_1831	+Mb	MemRAS 4, part 2, 331, 1831
HJ_1833a	Ma -	Herschel, J.F.W.	1833MmRAS...5...13H
HJ_1833a	+Mb	MemRAS 5, 13, 1833
HJ_1833b	orb -	Herschel, J.F.W.	1833MmRAS...5..171H
HJ_1833b		MemRAS 5, 171, 1833
HJ_1833c	Mb -	Herschel, J.F.W.	1833MmRAS...6....1H
HJ_1833c		MemRAS 6, 1, 1833
HJ_1833d	orb -	Herschel, J.F.W.	1833MmRAS...6..149H
HJ_1833d		MemRAS 6, 149, 1833
HJ_1835	Ma -	Herschel, J.F.W.	1835MmRAS...8...37H
HJ_1835	+Mb	MemRAS 8, 37, 1835
HJ_1836	Mb -	Herschel, J.F.W.	1836MmRAS...9..193H
HJ_1836		MemRAS 9, 193, 1836
HJ_1847a	Ma j	Herschel, J.F.W.	.
HJ_1847a	+Mb	Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b	Ma j	Herschel, J.F.W.	.
HJ_1847b		Cape Results, London, 1847
HJ_1850	orb -	Herschel, J.F.W.	1850MmRAS..18...47H
HJ_1850		MemRAS 18, 47, 1850
HJ_1870	Mb -	Herschel, J.F.W.	1870MmRAS..38....1H
HJ_1870		MemRAS 38, 1, 1870
HJ_1874A	-	Herschel, J.F.W.	1874MNRAS..35...28B
HJ_1874A		cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A	Ma -	Herschel, J.F.W.	1875AN.....85..323D
HJ_1875A	+Mb	cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A	Ma -	Herschel, J.F.W.	1880Obs.....3..508G
HJ_1880A	+Mb	cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B	Mb -	Herschel, J.F.W.	1880MNRAS..40..497B
HJ_1880B		cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A	Ma j	Herschel, J.F.W.	1897MNRAS..57..541S
HJ_1897A		cited by See (MNRAS 57, 541, 1897)
HJ_1905A	Ma -	Herschel, J.F.W.	1905LicOB...3..147A
HJ_1905A	+Mb	cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A	Ma -	Herschel, J.F.W.	1906MmRAS..56....1L
HJ_1906A	+Mb	cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B	Ma -	Herschel, J.F.W.	1906QB821.B972.....
HJ_1906B	+Mb	cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A	Mb -	Herschel, J.F.W.	1927sdsc.book......
HJ_1927A		cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A	Mb -	Herschel, J.F.W.	1932QB821.A43......
HJ_1932A		cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999	M j	Herschel, J.F.W.	...................
HJ_9999	+Ma	Unpublished, manuscript or reference not found.
Sin1988	C j	Sinachopoulos, D.	1988A&AS...76..189S
Sin1988		A&AS 76, 189, 1988
Sin1988b	C j	Sinachopoulos, D., Nicklas, H. & Geffert, M.	1988Ap&SS.142..227S
Sin1988b		Ap&SS 142, 227, 1988
Sin1989	Z -	Sinachopoulos, D.	1989A&AS...81..103S
Sin1989		A&AS 81, 103, 1989
Sin1990	C -	Sinachopoulos, D. & Seggewiss, W.	1990A&AS...83..245S
Sin1990		A&AS 83, 245, 1990
Sin1990b	Z -	Sinachopoulos, D.	1990A&AS...86...75S
Sin1990b		A&AS 86, 75, 1990
Sin1991	Z -	Sinachopoulos, D.	1991A&AS...87..453S
Sin1991		A&AS 87, 453, 1991
Sin1992	C -	Sinachopoulos, D.	1992A&AS...96..137S
Sin1992		A&AS 96, 137, 1992
Sin1993a	Z -	Sinachopoulos, D. & van Dessel, E.	1993A&AS...98...17S
Sin1993a	+Ca	A&AS 98, 17, 1993
Sin1993b	Z -	Sinachopoulos, D.	1993A&AS...99...11S
Sin1993b	+Ca	A&AS 99, 11, 1993
Sin1995	Z -	Sinachopoulos, D., Cuypers, J., Lampens, P., Oblak, E., & van Dessel, E.L.	1995A&AS..112..291S
Sin1995		A&AS 112, 291, 1995
Sin1996	Z -	Sinachopoulos, D. & van Dessel, E.L	1996A&AS..119..483S
Sin1996		A&AS 119, 483, 1996
Sin1998	C -	Sinachopoulos, D. & van Dessel, E.L	1998A&AS..130..299S
Sin1998		A&AS 130, 299, 1998
Sin1999	C -	Sinachopoulos, D., Dapergolas, A., van Dessel, E., & Kontizas, E.	1999A&AS..136..525S
Sin1999		A&AS 136, 525, 1999
Sin2007	C -	Sinachopoulos, D., Gavras, P., Dionatos, O., Ducourant, Ch., & Medupe, Th.	2007A&A...472.1055S
Sin2007		A&A 472, 1055, 2007

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02027+1234	HJ 20	AB	1997	7	2	22.3	10.15	11.73	G5	D	020242.47+123350.5
02027+1234	HJ 20	AB	1999	9	2	22.3	10.15	11.73	G5	D	020242.47+123350.5
02027+1234	HJ 20	AB	2010	10	1	22.5	10.15	11.73	G5	D	020242.47+123350.5
02027+1234	HJ 20	AB	2013	12	0	22.3	10.15	12.33	G5		020242.47+123350.5
02027+1234	HJ 20	AB	2015	13	1	22.5	10.15	12.33	G5		020242.47+123350.5

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

WDS 02027+1234 HJ 20 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02027+1234 HJ 20 AB : MEASURES

No records found.

WDS 02027+1234 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 02027+1234 : ALADIN DSS IMAGE @ 02^h 02^m 42.47^s +12° 33' 50.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02027+1234 HJ 20 AB : NEIGHBORHOODS

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		02027+1234	HJ 20	AB	1	22.5
Show		02027+1234	SIN 2	BC	78	10.3	1
Show		02039+1231	BPM 48		173	8.3	18
Show		02013+1227	BPM 45		224	56.8	22
Show		02021+1211	A 2216		143	1.7	25
Show		02044+1229	CHE 36		46	4.3	26
Show		02044+1244	CHE 35		338	10.1	27
Show		02030+1315	LDS1124	AB	211	17.5	43
Show		02030+1315	SKF1040	Aa,Ab	343	1.0	43
Show		02002+1259	VKI 6		6	2.8	46
Show		02058+1241	CHE 42	AB	49	8.8	46
Show		02004+1158	GRV 108		135	24.5	49
Show		02039+1322	SLW 95		320	169.9	51
Show		02004+1154	DVG 13		107	11.5	53
Show		02008+1323	OCC 429		-1	0.1	57
Show		02058+1155	CHE 43		69	25.4	60
Show		02063+1307	DAM1001		333	5.3	63
Show		01595+1317	CVR 409		191	15.1	64
Show		02018+1124	GOM 5		158	586.1	71
Show		02029+1122	STF 206		134	31.5	72
Show		02000+1334	LDS5181		4	1.3	73
Show		02050+1128	SLE 265		281	25.7	74
Show		02022+1120	J 1080	AB	186	2.7	75
Show		02022+1120	J 1080	AC	316	14.7	75
Show		01571+1246	HEI 309		359	2.2	84
Show		02010+1354	LDS1123	AB	274	5.7	85
Show		02010+1354	LDS1123	AC	193	10.3	85
Show		02010+1354	LDS1123	AD	123	1.6	85
Show		02010+1354	LDS1123	AE	112	2.4	85
Show		02047+1113	KPP2414		78	21.0	87
Show		01566+1228	J 316		240	2.9	90
Show		02061+1349	CHE 47		332	19.1	91
Show		02089+1259	CHE 62		125	35.7	94
Show		01572+1323	SLW 93		233	176.5	95
Show		02089+1203	PLQ 24		212	15.2	96
Show		01577+1132	KU 75	BC	29	19.2	96
Show		02055+1402	CHE 41		301	12.3	97
Show		01577+1132	KU 75	AB	60	40.8	97
Show		01577+1132	KU 75	AC	50	58.2	97
Show		02061+1111	CVR 414		246	9.1	97
Show		02094+1220	GRV1172		218	17.1	99
Show		02022+1055	HEI 435		336	2.3	100
Show		02081+1336	FAR 27		190	1.3	101
Show		02060+1402	CHE 46		330	34.1	101
Show		02079+1343	GWP 259		276	233.8	103
Show		02076+1355	ZHN 2		338	72.3	109
Show		02016+1422	CBL 12		215	61.3	110
Show		01558+1147	HJ 19		2	22.1	111
Show		02101+1207	OCC 935		-1	0.0	113
Show		02025+1035	SLE 263	AB	186	4.0	120
Show		02025+1035	WSS 1	DE	6	1.0	120

WDS 02027+1234 : COMPONENTS

	A	B
B	pa=1.9° sep=22.31"
C	pa=23.3° sep=26.68"	pa=77.4° sep=10.08"

02027+1234 A

Coord arcsec 2000	020242.47+123350.5		Mag	10.15		Spectral class	G5 (yellow)		PmRA	40.00
PmDE	-5.0		Tycho2	0636-01111-1

Tycho2

Tycho2	0636-01111-1	Pflag		RAmdeg	30.67697604	DEmdeg	12.56402274
PmRA	40.1	PmDE	-0.8	E RAmdeg	27	E DEmdeg	33
E pmRA	1.5	E pmDE	1.4	EpRAm	1987.50	EpDEm	1984.42
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.4	Q pmRA	0.3
Q pmDE	0.4	BTmag	11.439	E BTmag	0.074	VTmag	10.149
E VTmag	0.038	Prox	211	TYC	T	HIP
CCDM		RAdeg	30.67688083	DEdeg	12.56402444	EpRA 1990	1.67
EpDE 1990	1.77	E RAdeg	28.1	E DEdeg	35.3	Posflg
Corr	-0.3

CCDM

Ccdm	02027+1234	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.42	DDEs	-8.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.6	Sp	G5	PmNote	*
PmRA	26	PmDE	15	Dm number	+11 266	Cat1	BD
Name2	+12 222	Cat2	AGK2/3	HD		M HD
ADS BDS	B 1067	M ADS BDS		N IDS		IDS	01573N1205A
HIC

02027+1234 B

Coord arcsec 2000	020242.52+123412.8		Coord calc	020242.52+123412.8		Mag	12.33		Spectral class	G5 (yellow)
PmRA	21.00		PmDE	1.0		Calc delta mag	2.18

CCDM

Ccdm	02027+1234	RComp		Comp	B	Note1
Note2		Discov num	HJ 20	DRAs		DDEs
R dRAs		Year	1921	Theta	007	Rho	21.8
Obs	1	Vmag	11.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	B 1067	M ADS BDS		N IDS		IDS	01573N1205B
HIC

02027+1234 C

Coord arcsec 2000	020243.19+123415.0		Mag	14.06		PmRA	54.00		PmDE	8.0
Calc delta mag	3.91		Calc coord	yes