Re: Stanadard star

From: Naoki Yasuda (naoki.yasuda@nao.ac.jp)
Date: Thu Apr 11 2002 - 22:06:31 PDT


Hello,

We found mistakes in the calibration of SS1 and SS2.
We are now re-calibrating.
Please do not use values related with SS1 and SS2.
Sorry for confusions.

-Naoki Yasuda

> The followings are secondary standard stars Yuji used to calibrate
> Subaru fields (SS1-4). Magnitudes are in i'(AB).
> These stars are calibrated by the observation of spectro-photometric
> standard stars.
> Using these stars we determined zeropoint of mosaiced images.
>
> SS1_Mar.fits 26.3 SS1_Apr.fits 26.8
> SS2_Mar.fits 25.8 SS2_Apr.fits 27.2
> SS3_Mar.fits 27.4 SS3_Apr.fits 27.4
> SS4_Mar.fits 27.0 SS4_Apr.fits 27.2
>
> ---
> Naoki Yasuda @ National Astronomical Observatory of Japan
> e-mail: naoki.yasuda@nao.ac.jp
>
> ---------------------------------------------------
> SS1
> RA(J2000) DEC(J2000) X Y mag.
> 14:01:00.118 +05:39:53.91 5283.516 4106.200 18.4
> 14:00:46.944 +05:37:04.74 6258.657 3271.035 21.4
> 14:00:49.809 +05:39:03.07 6045.672 3856.230 20.1
> 14:01:06.370 +05:35:17.40 4824.563 2736.664 20.0
> 14:01:06.422 +05:34:03.02 4821.450 2368.489 17.9
> 14:00:50.312 +05:32:59.65 6012.477 2057.395 20.4
> 14:00:47.025 +05:32:45.71 6255.479 1988.934 18.1
> 14:01:01.573 +05:31:12.32 5181.541 1524.367 18.0
> 14:00:58.866 +05:28:30.23 5383.236 722.550 19.9
> 14:00:54.009 +05:27:26.99 5742.869 410.288 17.7
>
> SS2
> RA(J2000) DEC(J2000) X Y mag.
> 13:58:45.689 +05:22:36.40 4964.376 4488.139 20.7
> 13:58:33.468 +05:21:54.70 5868.272 4283.683 20.9
> 13:58:41.333 +05:18:52.40 5288.815 3380.172 22.2
> 13:58:41.476 +05:17:16.61 5279.246 2905.994 20.5
> 13:58:45.592 +05:16:09.39 4975.608 2572.677 21.3
> 13:58:29.387 +05:15:49.13 6173.973 2474.984 21.3
> 13:58:29.422 +05:16:44.53 6170.827 2749.159 21.7
> 13:58:43.784 +05:13:48.88 5110.787 1877.485 20.2
> 13:58:43.196 +05:11:46.22 5155.576 1270.513 22.4
> 13:58:35.239 +05:11:00.84 5744.478 1047.154 21.8
>
> SS3
> RA(J2000) DEC(J2000) X Y mag.
> 14:03:49.244 +05:09:29.08 5147.480 4064.729 20.0
> 14:03:41.413 +05:10:54.47 5725.540 4488.601 22.0
> 14:03:40.343 +05:07:40.09 5806.778 3526.749 20.0
> 14:03:47.847 +05:05:56.73 5253.034 3013.990 19.9
> 14:03:49.900 +05:04:40.44 5102.014 2636.084 21.4
> 14:03:42.039 +05:04:11.31 5683.638 2493.182 22.4
> 14:03:38.200 +05:01:21.93 5969.452 1655.515 20.3
> 14:03:50.043 +05:02:41.77 5092.731 2048.736 22.4
> 14:03:44.076 +05:01:06.14 5535.011 1576.419 22.3
> 14:03:39.000 +04:59:19.75 5911.629 1050.665 20.3
>
> SS4
> RA(J2000) DEC(J2000) X Y mag.
> 14:03:20.459 +05:39:45.70 5147.480 4064.729 21.8
> 14:03:12.623 +05:41:11.10 5725.540 4488.601 21.4
> 14:03:11.552 +05:37:56.70 5806.778 3526.749 22.6
> 14:03:19.061 +05:36:13.33 5253.034 3013.990 20.4
> 14:03:21.116 +05:34:57.03 5102.014 2636.084 21.0
> 14:03:13.249 +05:34:27.91 5683.638 2493.182 20.7
> 14:03:09.406 +05:31:38.52 5969.452 1655.515 20.6
> 14:03:21.258 +05:32:58.36 5092.731 2048.736 22.4
> 14:03:15.287 +05:31:22.73 5535.011 1576.419 22.1
> 14:03:10.206 +05:29:36.32 5911.629 1050.665 22.7
>
>



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