Exposure
- ID
- GRAVI.2023-07-04T02:53:36.729_1
- Header ID
- GRAVI.2023-07-04T02:53:36.729
- Date updated
- 2023-07-04 03:07:03 UTC+0000
- Release date
- 2024-07-04 03:07:03 UTC+0000
- UTC Start
- 2023-07-04 02:53:36.729
- UTC End
- 2023-07-04 02:59:36.729
- MJD Start
- 60129.12056399
- MJD End
- 60129.1247306567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00304
- Ambient temperature (°C)
- 12.24
- Seeing (arcsec)
- 0.92
Observation
- ID
- 56139
- 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
- 41586
- Name
- S4
- RA
- 266.416639
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5590 | 20.6000 | 21.4000 |
| U1-U3 | 102.4010 | 102.4240 | 26.8000 | 27.6000 |
| U1-U4 | 129.3390 | 129.6180 | 54.4560 | 55.3330 |
| U2-U3 | 46.5780 | 46.6080 | 34.4000 | 35.2000 |
| U2-U4 | 88.1900 | 88.5220 | 75.3890 | 76.2340 |
| U3-U4 | 61.2240 | 61.5030 | 105.3440 | 106.0600 |
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 | 60129.12056399 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.6 |
| HIERARCH ESO ISS PBLA12 END | 21.4 |
| HIERARCH ESO ISS PBL13 START | 102.401 |
| HIERARCH ESO ISS PBL13 END | 102.424 |
| HIERARCH ESO ISS PBLA13 START | 26.8 |
| HIERARCH ESO ISS PBLA13 END | 27.6 |
| HIERARCH ESO ISS PBL14 START | 129.339 |
| HIERARCH ESO ISS PBL14 END | 129.618 |
| HIERARCH ESO ISS PBLA14 START | 54.456 |
| HIERARCH ESO ISS PBLA14 END | 55.333 |
| HIERARCH ESO ISS PBL23 START | 46.578 |
| HIERARCH ESO ISS PBL23 END | 46.608 |
| HIERARCH ESO ISS PBLA23 START | 34.4 |
| HIERARCH ESO ISS PBLA23 END | 35.2 |
| HIERARCH ESO ISS PBL24 START | 88.19 |
| HIERARCH ESO ISS PBL24 END | 88.522 |
| HIERARCH ESO ISS PBLA24 START | 75.389 |
| HIERARCH ESO ISS PBLA24 END | 76.234 |
| HIERARCH ESO ISS PBL34 START | 61.224 |
| HIERARCH ESO ISS PBL34 END | 61.503 |
| HIERARCH ESO ISS PBLA34 START | 105.344 |
| HIERARCH ESO ISS PBLA34 END | 106.06 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003574 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002506 |
| HIERARCH ESO ISS AMBI TEMP | 12.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |