Exposure
- ID
- GRAVI.2025-08-09T23:43:11.716_1
- Header ID
- GRAVI.2025-08-09T23:43:11.716
- Date updated
- 2025-08-10 00:00:46 UTC+0000
- Release date
- 2026-08-10 00:00:46 UTC+0000
- UTC Start
- 2025-08-09 23:43:11.716
- UTC End
- 2025-08-09 23:49:11.716
- MJD Start
- 60896.98833005
- MJD End
- 60896.992496716666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003809
- Ambient temperature (°C)
- 13.33
- Seeing (arcsec)
- 0.8
Observation
- ID
- 69662
- Category
- science
- Program ID
- 115.27WT.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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 51726
- Name
- SGRA
- RA
- 266.41669
- DEC
- -29.00649
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4770 | 56.4960 | 15.1000 | 16.0000 |
| U1-U3 | 101.9980 | 102.0790 | 21.1000 | 22.0000 |
| U1-U4 | 126.3460 | 126.9090 | 48.1370 | 49.1480 |
| U2-U3 | 46.2010 | 46.2740 | 28.4000 | 29.3000 |
| U2-U4 | 84.7900 | 85.4270 | 69.4320 | 70.3750 |
| U3-U4 | 58.4560 | 58.9730 | 100.7150 | 101.4020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60896.98833005 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41669 |
| DEC | -29.00649 |
| 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 | 56.477 |
| HIERARCH ESO ISS PBL12 END | 56.496 |
| HIERARCH ESO ISS PBLA12 START | 15.1 |
| HIERARCH ESO ISS PBLA12 END | 16.0 |
| HIERARCH ESO ISS PBL13 START | 101.998 |
| HIERARCH ESO ISS PBL13 END | 102.079 |
| HIERARCH ESO ISS PBLA13 START | 21.1 |
| HIERARCH ESO ISS PBLA13 END | 22.0 |
| HIERARCH ESO ISS PBL14 START | 126.346 |
| HIERARCH ESO ISS PBL14 END | 126.909 |
| HIERARCH ESO ISS PBLA14 START | 48.137 |
| HIERARCH ESO ISS PBLA14 END | 49.148 |
| HIERARCH ESO ISS PBL23 START | 46.201 |
| HIERARCH ESO ISS PBL23 END | 46.274 |
| HIERARCH ESO ISS PBLA23 START | 28.4 |
| HIERARCH ESO ISS PBLA23 END | 29.3 |
| HIERARCH ESO ISS PBL24 START | 84.79 |
| HIERARCH ESO ISS PBL24 END | 85.427 |
| HIERARCH ESO ISS PBLA24 START | 69.432 |
| HIERARCH ESO ISS PBLA24 END | 70.375 |
| HIERARCH ESO ISS PBL34 START | 58.456 |
| HIERARCH ESO ISS PBL34 END | 58.973 |
| HIERARCH ESO ISS PBLA34 START | 100.715 |
| HIERARCH ESO ISS PBLA34 END | 101.402 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003768 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00385 |
| HIERARCH ESO ISS AMBI TEMP | 13.33 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |