Exposure
- ID
- GRAVI.2023-08-03T02:19:49.223_1
- Header ID
- GRAVI.2023-08-03T02:19:49.223
- Date updated
- 2023-08-03 02:35:31 UTC+0000
- Release date
- 2024-08-03 02:35:31 UTC+0000
- UTC Start
- 2023-08-03 02:19:49.223
- UTC End
- 2023-08-03 02:25:49.223
- MJD Start
- 60159.09709749
- MJD End
- 60159.10126415666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004276
- Ambient temperature (°C)
- 18.62
- Seeing (arcsec)
- 0.66
Observation
- ID
- 56501
- Category
- science
- 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
- 41874
- Name
- S4
- RA
- 266.41687
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.0490 | 55.9500 | 29.8000 | 30.4000 |
| U1-U3 | 101.3790 | 101.1510 | 36.2000 | 36.8000 |
| U1-U4 | 128.5040 | 127.9990 | 64.5560 | 65.2420 |
| U2-U3 | 46.1000 | 45.9700 | 44.0000 | 44.6000 |
| U2-U4 | 88.4160 | 88.0560 | 85.7310 | 86.5070 |
| U3-U4 | 62.1490 | 61.9910 | 115.3410 | 116.2030 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60159.09709749 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41687 |
| 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 | 56.049 |
| HIERARCH ESO ISS PBL12 END | 55.95 |
| HIERARCH ESO ISS PBLA12 START | 29.8 |
| HIERARCH ESO ISS PBLA12 END | 30.4 |
| HIERARCH ESO ISS PBL13 START | 101.379 |
| HIERARCH ESO ISS PBL13 END | 101.151 |
| HIERARCH ESO ISS PBLA13 START | 36.2 |
| HIERARCH ESO ISS PBLA13 END | 36.8 |
| HIERARCH ESO ISS PBL14 START | 128.504 |
| HIERARCH ESO ISS PBL14 END | 127.999 |
| HIERARCH ESO ISS PBLA14 START | 64.556 |
| HIERARCH ESO ISS PBLA14 END | 65.242 |
| HIERARCH ESO ISS PBL23 START | 46.1 |
| HIERARCH ESO ISS PBL23 END | 45.97 |
| HIERARCH ESO ISS PBLA23 START | 44.0 |
| HIERARCH ESO ISS PBLA23 END | 44.6 |
| HIERARCH ESO ISS PBL24 START | 88.416 |
| HIERARCH ESO ISS PBL24 END | 88.056 |
| HIERARCH ESO ISS PBLA24 START | 85.731 |
| HIERARCH ESO ISS PBLA24 END | 86.507 |
| HIERARCH ESO ISS PBL34 START | 62.149 |
| HIERARCH ESO ISS PBL34 END | 61.991 |
| HIERARCH ESO ISS PBLA34 START | 115.341 |
| HIERARCH ESO ISS PBLA34 END | 116.203 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004276 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004276 |
| HIERARCH ESO ISS AMBI TEMP | 18.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |