Exposure
- ID
- GRAVI.2021-03-30T07:01:56.653_1
- Header ID
- GRAVI.2021-03-30T07:01:56.653
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 07:20:25 UTC+0000
- UTC Start
- 2021-03-30 07:01:56.653
- UTC End
- 2021-03-30 07:07:16.653
- MJD Start
- 59303.29301682
- MJD End
- 59303.2967205237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033875
- Ambient temperature (°C)
- 13.03
- Seeing (arcsec)
- 0.785
Observation
- ID
- 47340
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35505
- Name
- S2
- RA
- 266.416963
- DEC
- -29.00716
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2420 | 56.2510 | 3.3000 | 4.2000 |
| U1-U3 | 100.8770 | 100.9360 | 8.4000 | 9.3000 |
| U1-U4 | 117.0410 | 117.7180 | 32.6950 | 33.8920 |
| U2-U3 | 45.1200 | 45.1860 | 14.6000 | 15.6000 |
| U2-U4 | 73.4050 | 74.3120 | 54.7650 | 55.9470 |
| U3-U4 | 48.5890 | 49.4360 | 91.5510 | 92.2130 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59303.29301682 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416963 |
| DEC | -29.00716 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.242 |
| HIERARCH ESO ISS PBL12 END | 56.251 |
| HIERARCH ESO ISS PBLA12 START | 3.3 |
| HIERARCH ESO ISS PBLA12 END | 4.2 |
| HIERARCH ESO ISS PBL13 START | 100.877 |
| HIERARCH ESO ISS PBL13 END | 100.936 |
| HIERARCH ESO ISS PBLA13 START | 8.4 |
| HIERARCH ESO ISS PBLA13 END | 9.3 |
| HIERARCH ESO ISS PBL14 START | 117.041 |
| HIERARCH ESO ISS PBL14 END | 117.718 |
| HIERARCH ESO ISS PBLA14 START | 32.695 |
| HIERARCH ESO ISS PBLA14 END | 33.892 |
| HIERARCH ESO ISS PBL23 START | 45.12 |
| HIERARCH ESO ISS PBL23 END | 45.186 |
| HIERARCH ESO ISS PBLA23 START | 14.6 |
| HIERARCH ESO ISS PBLA23 END | 15.6 |
| HIERARCH ESO ISS PBL24 START | 73.405 |
| HIERARCH ESO ISS PBL24 END | 74.312 |
| HIERARCH ESO ISS PBLA24 START | 54.765 |
| HIERARCH ESO ISS PBLA24 END | 55.947 |
| HIERARCH ESO ISS PBL34 START | 48.589 |
| HIERARCH ESO ISS PBL34 END | 49.436 |
| HIERARCH ESO ISS PBLA34 START | 91.551 |
| HIERARCH ESO ISS PBLA34 END | 92.213 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003352 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003423 |
| HIERARCH ESO ISS AMBI TEMP | 13.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |