Exposure
- ID
- GRAVI.2025-08-07T01:56:53.015_1
- Header ID
- GRAVI.2025-08-07T01:56:53.015
- Date updated
- 2025-08-07 02:10:53 UTC+0000
- Release date
- 2026-08-07 02:10:52 UTC+0000
- UTC Start
- 2025-08-07 01:56:53.015
- UTC End
- 2025-08-07 02:02:53.015
- MJD Start
- 60894.08116915
- MJD End
- 60894.085335816664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036385
- Ambient temperature (°C)
- 13.94
- Seeing (arcsec)
- 1.1600000000000001
Observation
- ID
- 69336
- 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
- 51530
- Name
- SGRA
- RA
- 266.41714
- DEC
- -29.00721
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1220 | 56.0320 | 29.3000 | 29.9000 |
| U1-U3 | 101.5460 | 101.3400 | 35.7000 | 36.3000 |
| U1-U4 | 128.8670 | 128.4200 | 63.9960 | 64.6860 |
| U2-U3 | 46.1950 | 46.0780 | 43.4000 | 44.1000 |
| U2-U4 | 88.6700 | 88.3560 | 85.1070 | 85.8760 |
| U3-U4 | 62.2550 | 62.1230 | 114.6580 | 115.5000 |
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 | 60894.08116915 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41714 |
| DEC | -29.00721 |
| 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 | 56.122 |
| HIERARCH ESO ISS PBL12 END | 56.032 |
| HIERARCH ESO ISS PBLA12 START | 29.3 |
| HIERARCH ESO ISS PBLA12 END | 29.9 |
| HIERARCH ESO ISS PBL13 START | 101.546 |
| HIERARCH ESO ISS PBL13 END | 101.34 |
| HIERARCH ESO ISS PBLA13 START | 35.7 |
| HIERARCH ESO ISS PBLA13 END | 36.3 |
| HIERARCH ESO ISS PBL14 START | 128.867 |
| HIERARCH ESO ISS PBL14 END | 128.42 |
| HIERARCH ESO ISS PBLA14 START | 63.996 |
| HIERARCH ESO ISS PBLA14 END | 64.686 |
| HIERARCH ESO ISS PBL23 START | 46.195 |
| HIERARCH ESO ISS PBL23 END | 46.078 |
| HIERARCH ESO ISS PBLA23 START | 43.4 |
| HIERARCH ESO ISS PBLA23 END | 44.1 |
| HIERARCH ESO ISS PBL24 START | 88.67 |
| HIERARCH ESO ISS PBL24 END | 88.356 |
| HIERARCH ESO ISS PBLA24 START | 85.107 |
| HIERARCH ESO ISS PBLA24 END | 85.876 |
| HIERARCH ESO ISS PBL34 START | 62.255 |
| HIERARCH ESO ISS PBL34 END | 62.123 |
| HIERARCH ESO ISS PBLA34 START | 114.658 |
| HIERARCH ESO ISS PBLA34 END | 115.5 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003841 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003436 |
| HIERARCH ESO ISS AMBI TEMP | 13.94 |
| HIERARCH ESO ISS AMBI FWHM START | 1.12 |
| HIERARCH ESO ISS AMBI FWHM END | 1.2 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |