Exposure
- ID
- GRAVI.2023-07-01T05:29:18.333_1
- Header ID
- GRAVI.2023-07-01T05:29:18.333
- Date updated
- 2023-07-01 05:45:57 UTC+0000
- Release date
- 2024-07-01 05:45:57 UTC+0000
- UTC Start
- 2023-07-01 05:29:18.333
- UTC End
- 2023-07-01 05:35:18.333
- MJD Start
- 60126.22868441
- MJD End
- 60126.2328510767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0105255
- Ambient temperature (°C)
- 18.3
- Seeing (arcsec)
- 0.49
Observation
- ID
- 56088
- 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
- 41539
- Name
- S4
- RA
- 266.416934
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.7010 | 54.4900 | 34.9000 | 35.4000 |
| U1-U3 | 98.2470 | 97.7590 | 41.3000 | 41.7000 |
| U1-U4 | 121.2510 | 120.1090 | 70.4780 | 71.0760 |
| U2-U3 | 44.2950 | 44.0130 | 49.1000 | 49.6000 |
| U2-U4 | 83.0850 | 82.2430 | 92.9900 | 93.8110 |
| U3-U4 | 59.6770 | 59.2880 | 123.9620 | 125.0060 |
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 | 60126.22868441 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416934 |
| 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 | 54.701 |
| HIERARCH ESO ISS PBL12 END | 54.49 |
| HIERARCH ESO ISS PBLA12 START | 34.9 |
| HIERARCH ESO ISS PBLA12 END | 35.4 |
| HIERARCH ESO ISS PBL13 START | 98.247 |
| HIERARCH ESO ISS PBL13 END | 97.759 |
| HIERARCH ESO ISS PBLA13 START | 41.3 |
| HIERARCH ESO ISS PBLA13 END | 41.7 |
| HIERARCH ESO ISS PBL14 START | 121.251 |
| HIERARCH ESO ISS PBL14 END | 120.109 |
| HIERARCH ESO ISS PBLA14 START | 70.478 |
| HIERARCH ESO ISS PBLA14 END | 71.076 |
| HIERARCH ESO ISS PBL23 START | 44.295 |
| HIERARCH ESO ISS PBL23 END | 44.013 |
| HIERARCH ESO ISS PBLA23 START | 49.1 |
| HIERARCH ESO ISS PBLA23 END | 49.6 |
| HIERARCH ESO ISS PBL24 START | 83.085 |
| HIERARCH ESO ISS PBL24 END | 82.243 |
| HIERARCH ESO ISS PBLA24 START | 92.99 |
| HIERARCH ESO ISS PBLA24 END | 93.811 |
| HIERARCH ESO ISS PBL34 START | 59.677 |
| HIERARCH ESO ISS PBL34 END | 59.288 |
| HIERARCH ESO ISS PBLA34 START | 123.962 |
| HIERARCH ESO ISS PBLA34 END | 125.006 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009268 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011783 |
| HIERARCH ESO ISS AMBI TEMP | 18.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |