21242+1237 FYM 182 AC

21^h 24^m 12.28^s +12° 36' 58.9" P.A. 162.00 sep 14.9 mag 8.73,15.35 Sp K0

Coord 2000	21242+1237	Discov num	FYM 182	Comp	AC	Coord arcsec 2000	21 24 12.28 +12 36 58.9
Date first	2001	Date last	2015	Obs	5
Pa first	164	Pa last	162.1	P.A. Now (θ)	162.1°
Sep first	15.2	Sep last	14.862	Sep. Now (ρ)	14.862"
Mag pri	8.73	Mag sec	15.35	delta mag (ΔM)	6.62	Spectral class	K0 (yellow-orange)
Pri motion ra	-025	Sec motion ra
Pri motion dec	-023	Sec motion dec
Notes

Nature of this double is uncertain.

21242+1237 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		107104	21 24 12 +12 36 59	HJ 282 AB	2015	8	69	27.3	8.73	13.10	4.37
Show		107104	21 24 12 +12 36 59	FYM 182 AC	2015	5	162	14.9	8.73	15.35	6.62		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Equuleus		SAO	107104		Tycho2	1114-00545-1		Gaia DR2	1746882565014513664
HD	203804

WDS 21242+1237 FYM 182 AC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
FyM2013	C j	Fay, M.	2013OED....10...38F
FyM2013		El Observador de Estrellas Dobles, Issue #10, 38, 2013
FyM2013b	C j	Fay, M.	.
FyM2013b		Il Bollettino Delle Stelle Doppie 5, 10, 2013
FyM2013c	C j	Fay, M.	.
FyM2013c		Il Bollettino Delle Stelle Doppie 6, 40, 2013
FyM2013d	C j	Fay, M.	.
FyM2013d		Il Bollettino Delle Stelle Doppie 6, 46, 2013
FyM2014	C j	Fay, M.	.
FyM2014		Il Bollettino Delle Stelle Doppie 9, 36, 2014
FyM2014		(Italian translation on page 21 of the same publication)
FyM2014b	C -	Fay, M.	.
FyM2014b		private communication
FyM2014c	C j	Fay, M.	2014OED....13...19F
FyM2014c		El Observador de Estrellas Dobles, Issue #13, 19, 2014
FyM2015a	C j	Fay, M.	2015OED....14...48F
FyM2015a		El Observador de Estrellas Dobles, Issue #14, 48, 2015
FyM2015b	C j	Fay, M.	2015OED....15...48F
FyM2015b		El Observador de Estrellas Dobles, Issue #15, 48, 2015
FyM2016a	C -	Fay, M.	2016OED....16...94F
FyM2016a		El Observador de Estrellas Dobles, Issue #16, 94, 2016
FyM2016b	C j	Fay, M.	2016OED....16..132F
FyM2016b		El Observador de Estrellas Dobles, Issue #16, 132, 2016
FyM2016c	C j	Fay, M.	2016OED....17...14F
FyM2016c		El Observador de Estrellas Dobles, Issue #17, 14, 2016
FyM2017a	C -	Fay, M.	.
FyM2017a		Il Bollettino Delle Stelle Doppie 20, 51, 2017
FyM2017a		(Italian translation on page 29 of the same publication)
FyM2017b	C j	Fay, M.	2017OED....19...71F
FyM2017b		El Observador de Estrellas Dobles, Issue #19, 71, 2017
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.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21242+1237	FYM 182	AC	2013	1	164	15.0	8.73	15.35	K0		212412.28+123658.9
21242+1237	FYM 182	AC	2015	3	162	14.9	8.73	15.35	K0		212412.28+123658.9

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

WDS 21242+1237 FYM 182 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21242+1237 FYM 182 AC : MEASURES

No records found.

WDS 21242+1237 : 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 21242+1237 : ALADIN DSS IMAGE @ 21^h 24^m 12.28^s +12° 36' 58.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21242+1237 FYM 182 AC : 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		21242+1237	HJ 282	AB	69	27.3
Show		21242+1237	FYM 182	AC	162	14.9
Show		21225+1207	BPM2366		107	61.1	40
Show		21241+1324	LEP 173		34	4.2	48
Show		21257+1140	BPM2374		142	74.8	62
Show		21248+1136	GWP3057		181	11.2	62
Show		21206+1310	HDS3038		126	0.1	63
Show		21267+1341	STF2797		218	3.5	74
Show		21191+1244	BPM2357		65	34.9	75
Show		21209+1140	BPM2361		54	111.3	76
Show		21291+1211	BAR 56	AB	43	1.3	77
Show		21291+1211	BAR 56	AC	42	1.3	77
Show		21190+1218	BRT1354		163	3.6	78
Show		21254+1121	A 887	AB	213	0.1	79
Show		21254+1121	A 887	AC	322	12.3	79
Show		21254+1121	FYM 330	AD	79	22.9	79
Show		21254+1121	FYM 330	AE	61	16.2	79
Show		21196+1153	BPM2359		145	89.8	81
Show		21245+1358	LDS4883	AB	208	1.9	81
Show		21245+1358	LDS4883	AC	66	31.3	81
Show		21215+1122	BPM2363		196	52.2	86
Show		21184+1233	BRT1352		183	5.0	86
Show		21222+1114	J 2605		223	1.5	88
Show		21299+1212	MAA 1		56	1.1	88
Show		21299+1211	DBR 294	AB	348	4.1	88
Show		21299+1211	DBR 294	AC	331	1.9	88
Show		21300+1213	DBR 295		5	0.8	89
Show		21223+1111	BRT1355		192	4.1	90
Show		21224+1110	NSN 743		262	2.3	91
Show		21288+1341	J 162		59	2.7	93
Show		21188+1144	HEI 880		205	2.0	96
Show		21175+1221	HJ 279	AB	293	5.4	98
Show		21175+1221	HJ 279	AC	293	126.7	98
Show		21227+1101	BPM2367		336	97.0	99
Show		21296+1340	BPM2380		28	15.8	101
Show		21310+1251	LDS4892		234	12.0	102
Show		21272+1408	BPM2376		310	77.6	102
Show		21310+1256	LDS4891	AB	168	90.7	102
Show		21310+1256	LDS4891	BC	177	21.7	102
Show		21225+1057	J 161		300	2.0	103
Show		21186+1134	BU 163	AB	257	1.0	104
Show		21186+1134	BU 163	AC	252	29.7	104
Show		21186+1134	BU 163	AD	163	44.8	104
Show		21186+1134	BU 163	AE	6	87.5	104
Show		21244+1425	BPM2370		297	71.5	108
Show		21314+1302	BPM2385		16	96.4	109
Show		21198+1108	GRV 446		157	60.2	109
Show		21306+1140	BPM2383		89	27.4	110
Show		21297+1356	HU 963		229	0.9	112
Show		21205+1415	BPM2360		342	61.2	112
Show		21254+1428	BPM2373		347	39.7	113

WDS 21242+1237 : COMPONENTS

	A	B
B	pa=68.5° sep=26.75"
C	pa=162.5° sep=14.83"	pa=220.5° sep=31.47"

21242+1237 A

Coord arcsec 2000	212412.28+123658.9	Mag	8.73	Spectral class	K0 (yellow-orange)	PmRA	-25.00
PmDE	-23.0	SAO	107104	Tycho2	1114-00545-1	HD	203804
DM	BD+12 4620

Tycho2

Tycho2	1114-00545-1	Pflag		RAmdeg	321.05118508	DEmdeg	12.61637641
PmRA	-24.6	PmDE	-23.3	E RAmdeg	11	E DEmdeg	13
E pmRA	1.3	E pmDE	1.2	EpRAm	1990.49	EpDEm	1989.21
Num	7	Q RAmdeg	1.3	Q DEmdeg	1.2	Q pmRA	1.2
Q pmDE	1.2	BTmag	10.495	E BTmag	0.041	VTmag	8.728
E VTmag	0.016	Prox	999	TYC	T	HIP
CCDM		RAdeg	321.05124278	DEdeg	12.61642861	EpRA 1990	1.75
EpDE 1990	1.68	E RAdeg	10.8	E DEdeg	14.0	Posflg
Corr	0.0

SAO

SAO	107104	DelFlag		RA1950		PmRA1950	-0.0008
DE1950		PmDE1950	-0.019	Vmag	8.5	SpType	K0
Double code		Source	29	CatNum	8477	DM	BD+12 4620
DMcomp		BDsup		HD	203804	M HD	0
GC		RA1950rad	5.59290545	DE1950rad	0.21643971	PmRA2000	-0.0007
PmDE2000	-0.023

CCDM

Ccdm	21242+1237	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.29	DDEs	-1.2
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.7	Sp	K0	PmNote	*
PmRA	-11	PmDE	-21	Dm number	+12 4620	Cat1	BD
Name2	+12 2510	Cat2	AGK2/3	HD	203804	M HD
ADS BDS	B10956	M ADS BDS		N IDS		IDS	21194N1211A
HIC

21242+1237 B

Coord arcsec 2000	212413.98+123708.7		Mag	13.1		PmRA	24.00		PmDE	3.0
Calc delta mag	4.37		Calc coord	yes

CCDM

Ccdm	21242+1237	RComp		Comp	B	Note1
Note2		Discov num	HJ 282	DRAs		DDEs
R dRAs		Year	1905	Theta	072	Rho	23.9
Obs	1	Vmag	13.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	B10956	M ADS BDS		N IDS		IDS	21194N1211B
HIC

21242+1237 C

Coord arcsec 2000

212412.58+123644.8

Mag

15.35

Calc delta mag

6.62

Calc coord

yes