19374-3055 HJ 5131 BC

19^h 37^m 25.93^s -30° 54' 55.9" P.A. 213.00 sep 11.3 mag 10.80,10.90

Coord 2000	19374-3055	Discov num	HJ 5131	Comp	BC	Coord arcsec 2000	19 37 25.93 -30 54 55.9
Date first	1835	Date last	2021	Obs	9
Pa first	213	Pa last	213.4	P.A. Now (θ)	213.4°
Sep first	10.0	Sep last	11.337	Sep. Now (ρ)	11.337"
Mag pri	10.80	Mag sec	10.90	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-003	Sec motion ra	+007
Pri motion dec	-009	Sec motion dec	-037
Notes

rPM=0.79

Nature of this double is uncertain.

19374-3055 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 184815	211420	19 37 25 -30 54 42	HJ 5131 AB	2021	9	147	16.7	10.60	10.80	0.20
Show			19 37 26 -30 54 56	HJ 5131 BC	2021	9	213	11.3	10.80	10.90	0.10		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

7425-02427-1

Gaia DR2

6752059335188002688

184815

WDS 19374-3055 HJ 5131 BC : NOTES

No records found.

DISCOVERER

discov	author
HJ	Herschel, J.F.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
19374-3055	HJ 5131	BC	1998	6	214	11.3	10.60	10.70			D	193725.93-305455.9
19374-3055	HJ 5131	BC	1999	7	214	11.4	10.80	10.90			D	193725.93-305455.9
19374-3055	HJ 5131	BC	2010	8	214	11.2	10.80	10.90				193725.93-305455.9
19374-3055	HJ 5131	BC	2020	8	214	11.2	10.80	10.90				193725.93-305455.9
19374-3055	HJ 5131	BC	2021	9	213	11.3	10.80	10.90				193725.93-305455.9

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

WDS 19374-3055 HJ 5131 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19374-3055 HJ 5131 BC : MEASURES

No records found.

WDS 19374-3055 : 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 19374-3055 : ALADIN DSS IMAGE @ 19^h 37^m 25.93^s -30° 54' 55.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19374-3055 HJ 5131 BC : 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		19374-3055	HJ 5131	BC	213	11.3	0
Show		19374-3055	HJ 5131	AB	147	16.7	1
Show		19383-3042	UC 3991		152	10.0	18
Show		19379-3018	TOK 966		160	0.8	38
Show		19367-3015	LDS4811		234	11.9	42
Show		19362-3015	KPP4160		240	1.7	43
Show		19383-3141	RST2114		168	3.2	47
Show		19412-3107	UC 4007		173	52.5	51
Show		19401-3137	FIN 13		80	0.6	54
Show		19325-3058	B 974		196	2.9	64
Show		19420-3020	SEE 391		31	6.7	70
Show		19320-3044	LDS4810	AB	359	151.3	71
Show		19320-3044	LDS4810	AC	260	276.8	71
Show		19340-2958	RST2111		52	4.5	73
Show		19428-3033	RST2118		258	1.0	73
Show		19433-3045	UC 4012		180	40.8	77
Show		19337-2946	UC 3977		348	54.4	85
Show		19399-2936	LDS4812		352	254.2	85
Show		19333-2949	KPP4152		208	1.9	86
Show		19357-3218	B 978		40	0.7	87
Show		19408-3213	HDS2791		25	11.7	89
Show		19337-3213	SWR 267		54	15.7	92
Show		19356-2925	RST2112		160	0.3	93
Show		19317-3153	VOU 85		84	0.1	94
Show		19303-3025	LDS4809		290	218.6	97
Show		19430-3201	LDS5883		259	143.0	100
Show		19424-2940	RST2117		250	1.9	100
Show		19410-2923	HJ 2885		210	37.1	103
Show		19305-3149	B 972		185	0.1	105
Show		19354-3240	BRT1801		75	6.4	108
Show		19426-3232	I 1403		343	2.0	119
Show		19280-3027	BRT3085		45	4.0	125
Show		19299-3213	LDS5877		88	240.0	126
Show		19294-2942	HJ 5120	AB	171	4.0	127
Show		19294-2942	HJ 5120	AC	312	53.0	127
Show		19294-2942	WAL 3	CD	81	9.5	128
Show		19287-3200	SEE 378		3	9.0	130
Show		19326-2902	SKF2078		262	97.7	130
Show		19275-3123	SEE 376		78	1.4	130
Show		19339-3259	KPP 443		291	3.6	132
Show		19437-2908	LDS 685		58	25.7	135
Show		19393-2838	B 445		239	1.8	140
Show		19340-3309	B 976		48	0.1	142
Show		19487-3113	LDS4819		120	292.0	147
Show		19409-3315	RST2115		350	0.7	148
Show		19483-3000	HJ 5147		84	12.3	151
Show		19279-2930	BU 423		127	1.2	151
Show		19489-3019	LDS5885		90	254.0	154
Show		19454-2858	KPP1967		62	15.5	157
Show		19258-3006	I 1401	AB	112	0.6	158
Show		19258-3006	WSI 91	Ba,Bb	59	0.1	158

WDS 19374-3055 : COMPONENTS

	A	B
B	pa=145.8° sep=16.69"
C	pa=172.3° sep=23.48"	pa=213.4° sep=11.34"

19374-3055 A

Name	HD 184815	Coord arcsec 2000	193725.20-305442.1	Mag	10.6	Spectral class	A2 (white)
PmRA	7.00	PmDE	-2.0	SAO	211420	Tycho2	7425-02427-1
HD	184815	DM	CD-3116887

Tycho2

Tycho2	7425-02427-1	Pflag		RAmdeg	294.35501657	DEmdeg	-30.91169575
PmRA	7.3	PmDE	-2.2	E RAmdeg	37	E DEmdeg	38
E pmRA	2.1	E pmDE	2.1	EpRAm	1987.41	EpDEm	1986.95
Num	6	Q RAmdeg	1.1	Q DEmdeg	0.6	Q pmRA	1.2
Q pmDE	0.5	BTmag	10.909	E BTmag	0.059	VTmag	10.598
E VTmag	0.062	Prox	999	TYC	T	HIP
CCDM		RAdeg	294.35499667	DEdeg	-30.91169083	EpRA 1990	1.80
EpDE 1990	1.79	E RAdeg	37.9	E DEdeg	39.4	Posflg
Corr	-0.1

SAO

SAO	211420	DelFlag		RA1950		PmRA1950	-0.0021
DE1950		PmDE1950	0.062	Vmag	10.6	SpType	A2
Double code		Source	40	CatNum	10691	DM	CD-3116887
DMcomp		BDsup		HD	184815	M HD	0
GC		RA1950rad	5.12361282	DE1950rad	-0.5414758	PmRA2000	-0.0022
PmDE2000	0.06

19374-3055 B

Coord arcsec 2000	193725.93-305455.9		Coord calc	193725.93-305455.9		Mag	10.8		PmRA	-3.00
PmDE	-9.0		Delta magnitude	0.2

19374-3055 C

Coord arcsec 2000	193725.45-305505.4		Mag	10.9		PmRA	7.00		PmDE	-37.0
Delta magnitude	0.3		Coordinate calculated	yes