21503-7521 FAH 2

21^h 50^m 19.40^s -75° 20' 41.4" P.A. 204.00 sep 14.5 mag 12.30,18.20 Sp L1+T8

Coord 2000	21503-7521	Discov num	FAH 2	Comp		Coord arcsec 2000	21 50 19.40 -75 20 41.4
Date first	2017	Date last	2017	Obs	1
Pa first	204	Pa last	204.4	P.A. Now (θ)	204.4°
Sep first	14.5	Sep last	14.5	Sep. Now (ρ)	14.5"
Mag pri	12.30	Mag sec	18.20	delta mag (ΔM)	5.9	Spectral class	L1+T8 (very deep red/brown dwarf)
Pri motion ra	+889	Sec motion ra	+876
Pri motion dec	-298	Sec motion dec	-278
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

rPM=0.025 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Octans

WDS 21503-7521 FAH 2 : NOTES

discov_num	notes	refcode
FAH 2	A : Teff = 2118 +/- 62, M = 72 +/- 12 \mjup, R = 1.03 +/- 0.06 \rjup.	Fah2020
	B : Teff = 719 +/- 61, M = 34 +/- 22 \mjup, R = 0.95 +/- 0.16 \rjup.

REFERENCES

refcode	metd	author	reference
Fah2020	Hg -	Faherty, J.K., Goodman, S., Caselden, D., Colin, G., Kuchner, M.J., Meisner, A.M.,	2020ApJ...889..176F
Fah2020	+Hw	Gagne, J., Schneider, A.C., Gonzales, E.C., Bardalez Gagliuffi, D.C., Logsdon, S.E.,
Fah2020	+not	Allers, K. & Burgasser, A.J.
Fah2020		ApJ 889, 176, 2020

DISCOVERER

idgroup	discov	author
1	FAH	Faherty, J.K., Burgasser, A.J., West, A.A., Bochanski, J.J., Cruz, K.L., Shara, .
6	FAH	Faherty, J.K., Goodman, S., Caselden, D., Colin, G., Kuchner, M.J., Meisner, A.M.,
6	FAH	Gagne, J., Schneider, A.C., Gonzales, E.C., Bardalez Gagliuffi, D.C., Logsdon, S.E.,
6	FAH	Allers, K. & Burgasser, A.J.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21503-7521	FAH 2		2017	1	204	14.5	12.30	18.20	L1+T8	NV K	215019.40-752041.4

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WDS 21503-7521 FAH 2 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21503-7521 FAH 2 : MEASURES

No records found.

WDS 21503-7521 : VIRTUAL EYEPIECE

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WDS 21503-7521 : ALADIN DSS IMAGE @ 21^h 50^m 19.40^s -75° 20' 41.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21503-7521 FAH 2 : 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		21503-7521	FAH 2		204	14.5	0
Show		21457-7541	KPP4246		108	1.3	27
Show		21529-7454	HJ 5295		203	21.6	29
Show		21593-7519	TDT3277		157	0.5	35
Show		21543-7441	KPP4255		121	1.9	43
Show		21510-7612	HDS3112		349	1.2	52
Show		22031-7607	HJ 5306		71	34.8	67
Show		21479-7414	HJ 5287		319	5.3	68
Show		21364-7608	TDT3054		225	1.5	70
Show		21531-7409	KPP3055		11	1.4	73
Show		21376-7426	UC 4513		32	30.1	74
Show		21509-7403	TDT3189		156	0.9	79
Show		22000-7407	B 2499		358	1.9	84
Show		21345-7627	KPP2244		53	18.6	89
Show		21533-7344	TOK 214		113	0.9	98
Show		22006-7657	TDT3289		212	3.5	104
Show		21366-7652	KPP2099		105	16.9	104
Show		21318-7405	UC 4484		345	40.3	106
Show		21540-7334	UC 4593		2	25.6	108
Show		21312-7401	UC 4483		336	46.7	110
Show		21506-7325	TDT3188		24	0.5	116
Show		21495-7717	I 1050		87	2.9	117
Show		21306-7351	TDS1131		303	0.9	120
Show		21549-7720	HDS3117	AB	119	2.1	121
Show		21549-7720	SKF 106	AC	311	7.6	121
Show		22025-7716	DAW 231		275	5.2	124
Show		22025-7719	HJ 5301	AB	202	10.5	126
Show		22025-7719	SHY 786	BC	255	999.9	126
Show		21415-7723	BLM 6		331	0.1	127
Show		21328-7332	HJ 5268		230	14.3	131
Show		22059-7743	HJ 5310		238	8.4	154
Show		21475-7754	DAM 661		195	1.9	154
Show		21477-7759	LDS6362	AB	132	1.7	158
Show		21477-7759	LDS6362	AC	249	7.7	158
Show		21478-7241	HEI 597		321	0.2	161
Show		21561-7235	HJ 5297		317	8.6	169
Show		21516-7207	UC 4583		233	62.1	195
Show		21534-7835	I 672		295	17.4	195
Show		21491-7206	HEI 598		153	0.7	195
Show		21475-7839	UC 4566		14	35.6	199
Show		22015-7204	KPP3065	AB	37	2.1	203
Show		21303-7200	HEI 595		330	0.5	218
Show		21582-7901	HDS3122		340	0.1	222
Show		21335-7148	KPP1573		343	11.9	225
Show		21377-7132	TDT3066		278	0.6	235
Show		21307-7121	GLI 270		315	29.1	254
Show		21569-7108	LDS 762		201	8.9	255
Show		22045-7103	HJ 5312		357	25.7	266
Show		22090-7102	UC 4663		253	101.6	271
Show		21375-7049	HEI 409		14	0.1	278
Show		21548-7039	TDT3235		345	0.9	282

WDS 21503-7521 : COMPONENTS

	A
B	pa=186.5° sep=13.29"

21503-7521 A

Coord arcsec 2000	215019.40-752041.4		Mag	12.3		Spectral class	L1 (very deep red)		PmRA	889.00
PmDE	-298.0

21503-7521 B

Coord arcsec 2000	215019.00-752054.6		Mag	18.2		Spectral class	T8 (brown dwarf)		PmRA	876.00
PmDE	-278.0		Calc delta mag	5.9		Calc coord	yes