Exposure
- ID
- GRAVI.2021-03-31T09:33:06.952_1
- Header ID
- GRAVI.2021-03-31T09:33:06.952
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 09:53:21 UTC+0000
- UTC Start
- 2021-03-31 09:33:06.952
- UTC End
- 2021-03-31 09:38:26.952
- MJD Start
- 59304.39799713
- MJD End
- 59304.4017008337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003633
- Ambient temperature (°C)
- 10.99
- Seeing (arcsec)
- 0.62
Observation
- ID
- 47353
- 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
- 35515
- Name
- S2
- RA
- 266.416738
- DEC
- -29.00705
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5210 | 56.4990 | 23.9000 | 24.6000 |
| U1-U3 | 102.4000 | 102.3650 | 30.2000 | 30.9000 |
| U1-U4 | 130.1640 | 130.2060 | 58.1160 | 58.8270 |
| U2-U3 | 46.6380 | 46.6260 | 37.9000 | 38.6000 |
| U2-U4 | 89.2560 | 89.3550 | 78.9630 | 79.6740 |
| U3-U4 | 62.1740 | 62.2870 | 108.4920 | 109.1560 |
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 | 59304.39799713 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416738 |
| DEC | -29.00705 |
| 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 | 56.521 |
| HIERARCH ESO ISS PBL12 END | 56.499 |
| HIERARCH ESO ISS PBLA12 START | 23.9 |
| HIERARCH ESO ISS PBLA12 END | 24.6 |
| HIERARCH ESO ISS PBL13 START | 102.4 |
| HIERARCH ESO ISS PBL13 END | 102.365 |
| HIERARCH ESO ISS PBLA13 START | 30.2 |
| HIERARCH ESO ISS PBLA13 END | 30.9 |
| HIERARCH ESO ISS PBL14 START | 130.164 |
| HIERARCH ESO ISS PBL14 END | 130.206 |
| HIERARCH ESO ISS PBLA14 START | 58.116 |
| HIERARCH ESO ISS PBLA14 END | 58.827 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.626 |
| HIERARCH ESO ISS PBLA23 START | 37.9 |
| HIERARCH ESO ISS PBLA23 END | 38.6 |
| HIERARCH ESO ISS PBL24 START | 89.256 |
| HIERARCH ESO ISS PBL24 END | 89.355 |
| HIERARCH ESO ISS PBLA24 START | 78.963 |
| HIERARCH ESO ISS PBLA24 END | 79.674 |
| HIERARCH ESO ISS PBL34 START | 62.174 |
| HIERARCH ESO ISS PBL34 END | 62.287 |
| HIERARCH ESO ISS PBLA34 START | 108.492 |
| HIERARCH ESO ISS PBLA34 END | 109.156 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004004 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003262 |
| HIERARCH ESO ISS AMBI TEMP | 10.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |