Exposure
- ID
- GRAVI.2023-07-31T04:32:44.610_1
- Header ID
- GRAVI.2023-07-31T04:32:44.610
- Date updated
- 2023-07-31 04:50:22 UTC+0000
- Release date
- 2023-07-31 04:32:44 UTC+0000
- UTC Start
- 2023-07-31 04:32:44.610
- UTC End
- 2023-07-31 04:38:44.610
- MJD Start
- 60156.18940521
- MJD End
- 60156.19357187667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040095
- Ambient temperature (°C)
- 18.35
- Seeing (arcsec)
- 0.845
Observation
- ID
- 56482
- Category
- calibrator
- Program ID
- 111.24H1.004
- 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/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41858
- Name
- R2
- RA
- 266.417098
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.1340 | 51.7860 | 38.7000 | 39.0000 |
| U1-U3 | 92.3370 | 91.5450 | 45.0000 | 45.3000 |
| U1-U4 | 107.6240 | 105.8300 | 75.9160 | 76.4670 |
| U2-U3 | 40.9030 | 40.4510 | 52.9000 | 53.2000 |
| U2-U4 | 73.2110 | 71.9450 | 101.4010 | 102.3990 |
| U3-U4 | 55.3610 | 54.8520 | 134.9980 | 136.3270 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60156.18940521 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417098 |
| DEC | -29.00725 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 52.134 |
| HIERARCH ESO ISS PBL12 END | 51.786 |
| HIERARCH ESO ISS PBLA12 START | 38.7 |
| HIERARCH ESO ISS PBLA12 END | 39.0 |
| HIERARCH ESO ISS PBL13 START | 92.337 |
| HIERARCH ESO ISS PBL13 END | 91.545 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.624 |
| HIERARCH ESO ISS PBL14 END | 105.83 |
| HIERARCH ESO ISS PBLA14 START | 75.916 |
| HIERARCH ESO ISS PBLA14 END | 76.467 |
| HIERARCH ESO ISS PBL23 START | 40.903 |
| HIERARCH ESO ISS PBL23 END | 40.451 |
| HIERARCH ESO ISS PBLA23 START | 52.9 |
| HIERARCH ESO ISS PBLA23 END | 53.2 |
| HIERARCH ESO ISS PBL24 START | 73.211 |
| HIERARCH ESO ISS PBL24 END | 71.945 |
| HIERARCH ESO ISS PBLA24 START | 101.401 |
| HIERARCH ESO ISS PBLA24 END | 102.399 |
| HIERARCH ESO ISS PBL34 START | 55.361 |
| HIERARCH ESO ISS PBL34 END | 54.852 |
| HIERARCH ESO ISS PBLA34 START | 134.998 |
| HIERARCH ESO ISS PBLA34 END | 136.327 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003665 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004354 |
| HIERARCH ESO ISS AMBI TEMP | 18.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.87 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |