Exposure
- ID
- GRAVI.2023-07-04T01:21:45.482_1
- Header ID
- GRAVI.2023-07-04T01:21:45.482
- Date updated
- 2023-07-04 01:40:57 UTC+0000
- Release date
- 2024-07-04 01:40:57 UTC+0000
- UTC Start
- 2023-07-04 01:21:45.482
- UTC End
- 2023-07-04 01:27:45.482
- MJD Start
- 60129.05677641
- MJD End
- 60129.0609430767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003923
- Ambient temperature (°C)
- 12.57
- Seeing (arcsec)
- 0.82
Observation
- ID
- 56138
- Category
- science
- Program ID
- 111.24H1.003
- 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/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41585
- Name
- S4
- RA
- 266.416929
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3200 | 56.3390 | 8.4000 | 9.3000 |
| U1-U3 | 101.3060 | 101.3970 | 13.9000 | 14.9000 |
| U1-U4 | 121.2120 | 121.9580 | 39.7200 | 40.9200 |
| U2-U3 | 45.5650 | 45.6530 | 20.7000 | 21.7000 |
| U2-U4 | 78.7610 | 79.6680 | 61.5550 | 62.6890 |
| U3-U4 | 53.4120 | 54.1930 | 95.5010 | 96.2020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60129.05677641 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416929 |
| DEC | -29.00727 |
| 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 | 56.32 |
| HIERARCH ESO ISS PBL12 END | 56.339 |
| HIERARCH ESO ISS PBLA12 START | 8.4 |
| HIERARCH ESO ISS PBLA12 END | 9.3 |
| HIERARCH ESO ISS PBL13 START | 101.306 |
| HIERARCH ESO ISS PBL13 END | 101.397 |
| HIERARCH ESO ISS PBLA13 START | 13.9 |
| HIERARCH ESO ISS PBLA13 END | 14.9 |
| HIERARCH ESO ISS PBL14 START | 121.212 |
| HIERARCH ESO ISS PBL14 END | 121.958 |
| HIERARCH ESO ISS PBLA14 START | 39.72 |
| HIERARCH ESO ISS PBLA14 END | 40.92 |
| HIERARCH ESO ISS PBL23 START | 45.565 |
| HIERARCH ESO ISS PBL23 END | 45.653 |
| HIERARCH ESO ISS PBLA23 START | 20.7 |
| HIERARCH ESO ISS PBLA23 END | 21.7 |
| HIERARCH ESO ISS PBL24 START | 78.761 |
| HIERARCH ESO ISS PBL24 END | 79.668 |
| HIERARCH ESO ISS PBLA24 START | 61.555 |
| HIERARCH ESO ISS PBLA24 END | 62.689 |
| HIERARCH ESO ISS PBL34 START | 53.412 |
| HIERARCH ESO ISS PBL34 END | 54.193 |
| HIERARCH ESO ISS PBLA34 START | 95.501 |
| HIERARCH ESO ISS PBLA34 END | 96.202 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004582 |
| HIERARCH ESO ISS AMBI TEMP | 12.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |