23181-0721 LDS 2978

23^h 18^m 05.85^s -07° 20' 25.4" P.A. 151.00 sep 17.8 mag 18.00,19.40 Sp M4+M5

Coord 2000	23181-0721	Discov num	LDS2978	Comp		Coord arcsec 2000	23 18 05.85 -07 20 25.4
Date first	1951	Date last	2016	Obs	10
Pa first	151	Pa last	150.7	P.A. Now (θ)	150.7°
Sep first	17.0	Sep last	17.779	Sep. Now (ρ)	17.779"
Mag pri	18.00	Mag sec	19.40	delta mag (ΔM)	1.4	Spectral class	M4+M5 (red/red)
Pri motion ra	+011	Sec motion ra	+013
Pri motion dec	-136	Sec motion dec	-135
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.016 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Gaia DR2

2630976431567919488

WDS 23181-0721 LDS 2978 : NOTES

discov_num	notes	refcode
LDS2978	LDS6023.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23181-0721	LDS2978		1951	1	151	17.0	18.00	19.40		N	231805.85-072025.4
23181-0721	LDS2978		2009	2	151	17.8	18.00	19.40	M4+M5	NV	231805.85-072025.4
23181-0721	LDS2978		2010	5	151	17.7	18.00	19.40	M4+M5	NV	231805.85-072025.4
23181-0721	LDS2978		2015	6	151	17.8	18.00	19.40	M4+M5	NV	231805.85-072025.4
23181-0721	LDS2978		2016	10	151	17.8	18.00	19.40	M4+M5	NV	231805.85-072025.4

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

WDS 23181-0721 LDS 2978 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23181-0721 LDS 2978 : MEASURES

No records found.

WDS 23181-0721 : VIRTUAL EYEPIECE

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WDS 23181-0721 : ALADIN DSS IMAGE @ 23^h 18^m 05.85^s -07° 20' 25.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23181-0721 LDS 2978 : NEIGHBORHOODS

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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		23181-0721	LDS2978		151	17.8
Show		23178-0705	KPP1749		214	13.5	16
Show		23168-0744	OCC9202	AB	-1	0.0	30
Show		23199-0706	TDT3987		41	2.8	31
Show		23170-0752	TVB 331		337	27.3	36
Show		23157-0704	CVR1713		127	3.1	40
Show		23190-0643	A 2699		292	0.7	40
Show		23153-0653	CVR 276		327	81.2	50
Show		23196-0628	LDS2981		54	2.3	57
Show		23225-0714	RST4722		256	5.7	66
Show		23188-0614	LDS2979		85	3.0	68
Show		23224-0648	GWP3287		180	615.6	72
Show		23176-0608	GWP3269		300	31.5	74
Show		23184-0600	BRT 524		164	2.4	81
Show		23166-0558	OCC 731		-1	0.1	85
Show		23234-0752	UC 4936		250	25.8	86
Show		23238-0711	HJ 1874		317	12.7	86
Show		23190-0846	LDS6395		20	9.4	86
Show		23137-0618	RST4718		179	0.8	91
Show		23119-0812	BRT 523		118	4.4	92
Show		23240-0751	LDS2986		137	11.9	93
Show		23212-0840	RST4721		64	4.8	93
Show		23203-0855	LDS6396		86	6.3	100
Show		23125-0817	A 2698		81	2.3	101
Show		23178-0534	A 419		237	0.9	107
Show		23238-0828	STF3008		147	7.1	108
Show		23159-0905	BU 1220	BC,E	294	42.3	110
Show		23159-0905	BU 1220	BC	107	0.4	110
Show		23159-0905	STFB 12	A,BC	312	48.9	110
Show		23159-0905	BU 1220	AD	273	110.1	110
Show		23232-0839	LDS6030		94	157.7	111
Show		23155-0904	BU 716		205	1.9	111
Show		23141-0855	STF2993	AB	175	25.1	112
Show		23141-0855	S 826	AC	132	79.1	112
Show		23141-0855	S 826	BC	115	64.4	113
Show		23235-0600	KPP2695		140	2.8	114
Show		23244-0827	HDO9001		199	36.3	115
Show		23185-0916	LDS 810		150	22.5	116
Show		23135-0854	A 418		37	0.8	117
Show		23104-0749	DEA 64		256	41.9	118
Show		23261-0708	J 1424		141	6.4	120
Show		23136-0907	SLW1310		278	151.6	126
Show		23101-0804	HJ 3174		19	5.9	127
Show		23147-0523	LDS2974		321	5.4	127
Show		23169-0514	LDS 809		18	130.1	128
Show		23259-0817	GWP3296		317	27.4	129
Show		23253-0837	SKF 125		92	1.8	132
Show		23092-0719	STF2980		108	4.6	133
Show		23194-0507	HJ 5394		20	11.0	135
Show		23109-0556	UC 4899		262	17.1	137
Show		23190-0937	HO 199	AB	133	1.5	137

WDS 23181-0721 : COMPONENTS

	A
B	pa=150.9° sep=17.74"

23181-0721 A

Componente originario normalizzato	AB		Coord arcsec 2000	231805.85-072025.4		Mag	18		Spectral class	M4 (red)
PmRA	11.00		PmDE	-136.0

23181-0721 B

Componente originario normalizzato	AB		Coord arcsec 2000	231806.43-072040.9		Mag	19.4		Spectral class	M5 (red)
PmRA	13.00		PmDE	-135.0		Calc delta mag	1.4		Calc coord	yes