Exposure
- ID
- GRAVI.2022-05-23T05:04:57.442_1
- Header ID
- GRAVI.2022-05-23T05:04:57.442
- Date updated
- 2022-05-23 05:20:57 UTC+0000
- Release date
- 2023-05-23 05:20:57 UTC+0000
- UTC Start
- 2022-05-23 05:04:57.442
- UTC End
- 2022-05-23 05:10:17.442
- MJD Start
- 59722.21177595
- MJD End
- 59722.2154796537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006104
- Ambient temperature (°C)
- 11.27
- Seeing (arcsec)
- 0.51
Observation
- ID
- 50989
- Category
- science
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 38024
- Name
- S2
- RA
- 266.416568
- DEC
- -29.00742
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5060 | 56.5210 | 16.5000 | 17.2000 |
| U1-U3 | 102.1240 | 102.1880 | 22.5000 | 23.3000 |
| U1-U4 | 127.2220 | 127.6690 | 49.7330 | 50.5950 |
| U2-U3 | 46.3140 | 46.3720 | 29.9000 | 30.7000 |
| U2-U4 | 85.7820 | 86.2860 | 70.9230 | 71.7310 |
| U3-U4 | 59.2610 | 59.6700 | 101.8100 | 102.4190 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59722.21177595 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416568 |
| DEC | -29.00742 |
| 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 | 56.506 |
| HIERARCH ESO ISS PBL12 END | 56.521 |
| HIERARCH ESO ISS PBLA12 START | 16.5 |
| HIERARCH ESO ISS PBLA12 END | 17.2 |
| HIERARCH ESO ISS PBL13 START | 102.124 |
| HIERARCH ESO ISS PBL13 END | 102.188 |
| HIERARCH ESO ISS PBLA13 START | 22.5 |
| HIERARCH ESO ISS PBLA13 END | 23.3 |
| HIERARCH ESO ISS PBL14 START | 127.222 |
| HIERARCH ESO ISS PBL14 END | 127.669 |
| HIERARCH ESO ISS PBLA14 START | 49.733 |
| HIERARCH ESO ISS PBLA14 END | 50.595 |
| HIERARCH ESO ISS PBL23 START | 46.314 |
| HIERARCH ESO ISS PBL23 END | 46.372 |
| HIERARCH ESO ISS PBLA23 START | 29.9 |
| HIERARCH ESO ISS PBLA23 END | 30.7 |
| HIERARCH ESO ISS PBL24 START | 85.782 |
| HIERARCH ESO ISS PBL24 END | 86.286 |
| HIERARCH ESO ISS PBLA24 START | 70.923 |
| HIERARCH ESO ISS PBLA24 END | 71.731 |
| HIERARCH ESO ISS PBL34 START | 59.261 |
| HIERARCH ESO ISS PBL34 END | 59.67 |
| HIERARCH ESO ISS PBLA34 START | 101.81 |
| HIERARCH ESO ISS PBLA34 END | 102.419 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005687 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006521 |
| HIERARCH ESO ISS AMBI TEMP | 11.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |