Exposure
- ID
- GRAVI.2022-04-26T08:44:11.199_1
- Header ID
- GRAVI.2022-04-26T08:44:11.199
- Date updated
- 2022-04-26 08:55:55 UTC+0000
- Release date
- 2023-04-26 08:55:55 UTC+0000
- UTC Start
- 2022-04-26 08:44:11.199
- UTC End
- 2022-04-26 08:49:31.199
- MJD Start
- 59695.36401851
- MJD End
- 59695.3677222137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003134
- Ambient temperature (°C)
- 10.98
- Seeing (arcsec)
- 1.4
Observation
- ID
- 50602
- Category
- science
- Program ID
- 109.22ZA.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/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37791
- Name
- S2
- RA
- 266.416815
- DEC
- -29.00698
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1030 | 56.0220 | 29.5000 | 30.0000 |
| U1-U3 | 101.5020 | 101.3180 | 35.8000 | 36.4000 |
| U1-U4 | 128.7720 | 128.3700 | 64.1560 | 64.7590 |
| U2-U3 | 46.1700 | 46.0650 | 43.6000 | 44.2000 |
| U2-U4 | 88.6030 | 88.3210 | 85.2840 | 85.9580 |
| U3-U4 | 62.2280 | 62.1080 | 114.8500 | 115.5910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59695.36401851 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416815 |
| DEC | -29.00698 |
| 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 | 56.103 |
| HIERARCH ESO ISS PBL12 END | 56.022 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 30.0 |
| HIERARCH ESO ISS PBL13 START | 101.502 |
| HIERARCH ESO ISS PBL13 END | 101.318 |
| HIERARCH ESO ISS PBLA13 START | 35.8 |
| HIERARCH ESO ISS PBLA13 END | 36.4 |
| HIERARCH ESO ISS PBL14 START | 128.772 |
| HIERARCH ESO ISS PBL14 END | 128.37 |
| HIERARCH ESO ISS PBLA14 START | 64.156 |
| HIERARCH ESO ISS PBLA14 END | 64.759 |
| HIERARCH ESO ISS PBL23 START | 46.17 |
| HIERARCH ESO ISS PBL23 END | 46.065 |
| HIERARCH ESO ISS PBLA23 START | 43.6 |
| HIERARCH ESO ISS PBLA23 END | 44.2 |
| HIERARCH ESO ISS PBL24 START | 88.603 |
| HIERARCH ESO ISS PBL24 END | 88.321 |
| HIERARCH ESO ISS PBLA24 START | 85.284 |
| HIERARCH ESO ISS PBLA24 END | 85.958 |
| HIERARCH ESO ISS PBL34 START | 62.228 |
| HIERARCH ESO ISS PBL34 END | 62.108 |
| HIERARCH ESO ISS PBLA34 START | 114.85 |
| HIERARCH ESO ISS PBLA34 END | 115.591 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003134 |
| HIERARCH ESO ISS AMBI TEMP | 10.98 |
| HIERARCH ESO ISS AMBI FWHM START | 1.4 |
| HIERARCH ESO ISS AMBI FWHM END | 1.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |