Exposure
- ID
- GRAVI.2022-06-20T06:01:59.935_1
- Header ID
- GRAVI.2022-06-20T06:01:59.935
- Date updated
- 2022-06-20 13:30:54 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 06:01:59.935
- UTC End
- 2022-06-20 06:07:19.935
- MJD Start
- 59750.25138814
- MJD End
- 59750.2550918437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001836
- Ambient temperature (°C)
- 8.45
- Seeing (arcsec)
- 1.56
Observation
- ID
- 51283
- Category
- science
- Program ID
- 109.22ZA.003
- 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
- 38218
- Name
- S2
- RA
- 266.416937
- DEC
- -29.0072
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.9870 | 54.8200 | 34.2000 | 34.6000 |
| U1-U3 | 98.9140 | 98.5250 | 40.5000 | 41.0000 |
| U1-U4 | 122.8110 | 121.9000 | 69.5810 | 70.1180 |
| U2-U3 | 44.6800 | 44.4550 | 48.4000 | 48.8000 |
| U2-U4 | 84.2390 | 83.5640 | 91.7940 | 92.5040 |
| U3-U4 | 60.2140 | 59.8990 | 122.4630 | 123.3500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.25138814 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416937 |
| DEC | -29.0072 |
| 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 | 54.987 |
| HIERARCH ESO ISS PBL12 END | 54.82 |
| HIERARCH ESO ISS PBLA12 START | 34.2 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 98.914 |
| HIERARCH ESO ISS PBL13 END | 98.525 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 122.811 |
| HIERARCH ESO ISS PBL14 END | 121.9 |
| HIERARCH ESO ISS PBLA14 START | 69.581 |
| HIERARCH ESO ISS PBLA14 END | 70.118 |
| HIERARCH ESO ISS PBL23 START | 44.68 |
| HIERARCH ESO ISS PBL23 END | 44.455 |
| HIERARCH ESO ISS PBLA23 START | 48.4 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 84.239 |
| HIERARCH ESO ISS PBL24 END | 83.564 |
| HIERARCH ESO ISS PBLA24 START | 91.794 |
| HIERARCH ESO ISS PBLA24 END | 92.504 |
| HIERARCH ESO ISS PBL34 START | 60.214 |
| HIERARCH ESO ISS PBL34 END | 59.899 |
| HIERARCH ESO ISS PBLA34 START | 122.463 |
| HIERARCH ESO ISS PBLA34 END | 123.35 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001836 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001836 |
| HIERARCH ESO ISS AMBI TEMP | 8.45 |
| HIERARCH ESO ISS AMBI FWHM START | 1.56 |
| HIERARCH ESO ISS AMBI FWHM END | 1.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |