Exposure
- ID
- GRAVI.2022-06-20T07:05:36.095_1
- Header ID
- GRAVI.2022-06-20T07:05:36.095
- Date updated
- 2022-06-20 13:30:55 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 07:05:36.095
- UTC End
- 2022-06-20 07:10:56.095
- MJD Start
- 59750.29555666
- MJD End
- 59750.2992603637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002805
- Ambient temperature (°C)
- 7.71
- Seeing (arcsec)
- 1.09
Observation
- ID
- 51285
- 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
- 38220
- Name
- S2
- RA
- 266.41687
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.5090 | 52.2180 | 38.4000 | 38.7000 |
| U1-U3 | 93.1940 | 92.5310 | 44.6000 | 44.9000 |
| U1-U4 | 109.5710 | 108.0610 | 75.2900 | 75.7780 |
| U2-U3 | 41.3920 | 41.0130 | 52.5000 | 52.8000 |
| U2-U4 | 74.5950 | 73.5210 | 100.3050 | 101.1560 |
| U3-U4 | 55.9290 | 55.4870 | 133.5370 | 134.6710 |
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 | 59750.29555666 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41687 |
| DEC | -29.00722 |
| 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 | 52.509 |
| HIERARCH ESO ISS PBL12 END | 52.218 |
| HIERARCH ESO ISS PBLA12 START | 38.4 |
| HIERARCH ESO ISS PBLA12 END | 38.7 |
| HIERARCH ESO ISS PBL13 START | 93.194 |
| HIERARCH ESO ISS PBL13 END | 92.531 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 44.9 |
| HIERARCH ESO ISS PBL14 START | 109.571 |
| HIERARCH ESO ISS PBL14 END | 108.061 |
| HIERARCH ESO ISS PBLA14 START | 75.29 |
| HIERARCH ESO ISS PBLA14 END | 75.778 |
| HIERARCH ESO ISS PBL23 START | 41.392 |
| HIERARCH ESO ISS PBL23 END | 41.013 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.595 |
| HIERARCH ESO ISS PBL24 END | 73.521 |
| HIERARCH ESO ISS PBLA24 START | 100.305 |
| HIERARCH ESO ISS PBLA24 END | 101.156 |
| HIERARCH ESO ISS PBL34 START | 55.929 |
| HIERARCH ESO ISS PBL34 END | 55.487 |
| HIERARCH ESO ISS PBLA34 START | 133.537 |
| HIERARCH ESO ISS PBLA34 END | 134.671 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002805 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002805 |
| HIERARCH ESO ISS AMBI TEMP | 7.71 |
| HIERARCH ESO ISS AMBI FWHM START | 1.17 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |