Calibration
Standards
The following stars
are currently used in the 2MASS calibration subsystem.
To see the standard
in a 5 arcmin finding chart, just click on **.
|
standard field
|
ra(J2000)
|
dec(J2000)
|
finding chart
|
jmag
|
hmag
|
kmag
|
|
BRI0021-0214
|
6.1025
|
-1.9722
|
**
|
11.835
|
11.086
|
10.561
|
|
P525-E
|
6.1179
|
+7.8172
|
NA
|
11.622
|
11.298
|
11.223
|
|
S294-D
|
8.3133
|
-39.4028
|
NA
|
10.932
|
10.657
|
10.594
|
|
S754-C
|
15.8158
|
-4.3456
|
NA
|
11.045
|
10.750
|
10.695
|
|
FS4
|
28.6569
|
0.7169
|
**
|
10.532
|
10.297
|
10.259
|
|
P530-D
|
38.3837
|
+6.4272
|
NA
|
11.309
|
10.975
|
10.910
|
|
S301-D
|
51.7246
|
-39.8439
|
NA
|
12.153
|
11.842
|
11.788
|
|
P247-U
|
53.0109
|
+37.3443
|
**
|
11.934
|
11.610
|
11.503
|
|
P533-D
|
55.2593
|
+6.9379
|
**
|
11.737
|
11.431
|
11.336
|
|
LHS191
|
66.5831
|
+3.6106
|
NA
|
11.621
|
11.058
|
10.717
|
|
FS13
|
89.2815
|
0.01974
|
**
|
10.486
|
10.173
|
10.128
|
|
S121-E
|
97.3725
|
-59.6586
|
NA
|
12.114
|
11.838
|
11.781
|
|
P161-D
|
105.2159
|
+48.4898
|
**
|
11.680
|
11.408
|
11.352
|
|
S312-T
|
126.4004
|
-39.0997
|
NA
|
11.949
|
11.669
|
11.609
|
|
LHS2026
|
128.1267
|
-1.5773
|
NA
|
12.066
|
11.497
|
11.156
|
|
M67-FS15
|
132.7741
|
+11.7297
|
**
|
12.739
|
12.412
|
12.330
|
|
M67-FS16
|
132.8128
|
+11.8225
|
**
|
12.943
|
12.661
|
12.625
|
|
M67-FS17
|
132.8321
|
+11.8694
|
**
|
12.648
|
12.333
|
12.263
|
|
P091-D
|
145.7434
|
+59.0617
|
NA
|
11.683
|
11.338
|
11.282
|
|
LHS2397a
|
170.45507
|
-13.21893
|
NA
|
11.897
|
11.190
|
10.709
|
|
S217-D
|
180.4383
|
-50.0528
|
NA
|
11.323
|
11.002
|
10.936
|
|
P266-C
|
183.6056
|
+35.5985
|
**
|
11.642
|
11.378
|
11.343
|
|
S860-D
|
185.4138
|
-0.1204
|
NA
|
12.213
|
11.917
|
11.865
|
|
FS23
|
205.4332
|
+28.4978
|
**
|
12.946
|
12.512
|
12.363
|
|
P221-C
|
218.7332
|
+41.1861
|
NA
|
10.870
|
10.648
|
10.627
|
|
S867-V
|
220.2415
|
-0.4629
|
**
|
12.045
|
11.701
|
11.633
|
|
S273-E
|
224.2163
|
-44.8206
|
NA
|
11.341
|
10.924
|
10.849
|
|
P272-D
|
224.6383
|
+37.1422
|
**
|
11.640
|
11.277
|
11.223
|
|
T868-53850
|
225.1100
|
-0.6580
|
**
|
11.589
|
10.993
|
10.657
|
|
P565-C
|
246.6787
|
+5.8733
|
**
|
12.180
|
11.895
|
11.844
|
|
Oph_n9
|
246.805
|
-24.6925
|
NA
|
17.549
|
12.389
|
9.620
|
|
P330-E
|
247.8910
|
+30.1463
|
**
|
11.816
|
11.479
|
11.429
|
|
FS28
|
266.0282
|
-0.4164
|
NA
|
10.733
|
10.639
|
10.594
|
|
S279-F
|
267.0942
|
-45.4292
|
NA
|
12.477
|
12.118
|
12.031
|
|
P182-E
|
279.8911
|
+49.0938
|
**
|
12.104
|
11.764
|
11.696
|
|
L547
|
282.8150
|
-4.2674
|
**
|
11.872
|
9.831
|
8.870
|
|
S808-C
|
285.4808
|
-4.4866
|
**
|
10.966
|
10.658
|
10.575
|
|
S234-E
|
307.8350
|
-49.6494
|
NA
|
12.464
|
12.127
|
12.070
|
|
S813-D
|
310.2726
|
-5.0620
|
**
|
11.479
|
11.142
|
11.085
|
|
ABELL2409
|
330.1355
|
+20.7810
|
**
|
11.0
|
10.9
|
10.8
|
|
BRI2202-1119
|
331.3990
|
-11.0745
|
**
|
11.652
|
11.083
|
10.736
|
|
S893-D
|
349.5416
|
0.5490
|
**
|
11.403
|
11.120
|
11.055
|
|
P290-D
|
352.6381
|
+38.3160
|
**
|
11.634
|
11.337
|
11.262
|
Comments and feedback: Sherry Wheelock
email: slw@ipac.caltech.edu
Last update: 27 April 1998 slw@ipac.caltech.edu
