Exposure
- ID
- GRAVI.2022-03-20T08:26:13.442_1
- Header ID
- GRAVI.2022-03-20T08:26:13.442
- Date updated
- 2022-03-20 08:40:31 UTC+0000
- Release date
- 2023-03-20 08:40:31 UTC+0000
- UTC Start
- 2022-03-20 08:26:13.442
- UTC End
- 2022-03-20 08:31:33.442
- MJD Start
- 59658.35154447
- MJD End
- 59658.3552481737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004816
- Ambient temperature (°C)
- 14.23
- Seeing (arcsec)
- 1.06
Observation
- ID
- 49993
- Category
- science
- Program ID
- 108.2248.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ PERRIN/ HORROBIN/ PAUMARD/ LACOUR/ HEIßEL/ VINCENT
Target
- ID
- 37361
- Name
- S2
- RA
- 266.416769
- DEC
- -29.00713
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3460 | 56.3640 | 9.6000 | 10.4000 |
| U1-U3 | 101.4290 | 101.5120 | 15.2000 | 16.1000 |
| U1-U4 | 122.2160 | 122.8600 | 41.3360 | 42.3700 |
| U2-U3 | 45.6830 | 45.7610 | 22.1000 | 23.0000 |
| U2-U4 | 79.9790 | 80.7500 | 63.0810 | 64.0510 |
| U3-U4 | 54.4600 | 55.1140 | 96.4490 | 97.0650 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.2248.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59658.35154447 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416769 |
| DEC | -29.00713 |
| 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 | 56.346 |
| HIERARCH ESO ISS PBL12 END | 56.364 |
| HIERARCH ESO ISS PBLA12 START | 9.6 |
| HIERARCH ESO ISS PBLA12 END | 10.4 |
| HIERARCH ESO ISS PBL13 START | 101.429 |
| HIERARCH ESO ISS PBL13 END | 101.512 |
| HIERARCH ESO ISS PBLA13 START | 15.2 |
| HIERARCH ESO ISS PBLA13 END | 16.1 |
| HIERARCH ESO ISS PBL14 START | 122.216 |
| HIERARCH ESO ISS PBL14 END | 122.86 |
| HIERARCH ESO ISS PBLA14 START | 41.336 |
| HIERARCH ESO ISS PBLA14 END | 42.37 |
| HIERARCH ESO ISS PBL23 START | 45.683 |
| HIERARCH ESO ISS PBL23 END | 45.761 |
| HIERARCH ESO ISS PBLA23 START | 22.1 |
| HIERARCH ESO ISS PBLA23 END | 23.0 |
| HIERARCH ESO ISS PBL24 START | 79.979 |
| HIERARCH ESO ISS PBL24 END | 80.75 |
| HIERARCH ESO ISS PBLA24 START | 63.081 |
| HIERARCH ESO ISS PBLA24 END | 64.051 |
| HIERARCH ESO ISS PBL34 START | 54.46 |
| HIERARCH ESO ISS PBL34 END | 55.114 |
| HIERARCH ESO ISS PBLA34 START | 96.449 |
| HIERARCH ESO ISS PBLA34 END | 97.065 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004962 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00467 |
| HIERARCH ESO ISS AMBI TEMP | 14.23 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |