Exposure
- ID
- GRAVI.2025-08-08T00:48:47.436_1
- Header ID
- GRAVI.2025-08-08T00:48:47.436
- Date updated
- 2025-08-08 01:05:36 UTC+0000
- Release date
- 2026-08-08 01:05:36 UTC+0000
- UTC Start
- 2025-08-08 00:48:47.436
- UTC End
- 2025-08-08 00:54:47.436
- MJD Start
- 60895.03388236
- MJD End
- 60895.03804902667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030405
- Ambient temperature (°C)
- 13.32
- Seeing (arcsec)
- 1.0
Observation
- ID
- 69537
- 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
- 51647
- Name
- SGRA
- RA
- 266.416221
- DEC
- -29.00687
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5510 | 56.5390 | 22.4000 | 23.1000 |
| U1-U3 | 102.4340 | 102.4260 | 28.6000 | 29.4000 |
| U1-U4 | 129.8960 | 130.0550 | 56.4180 | 57.2520 |
| U2-U3 | 46.6320 | 46.6400 | 36.3000 | 37.1000 |
| U2-U4 | 88.8680 | 89.0840 | 77.2880 | 78.1070 |
| U3-U4 | 61.8050 | 62.0020 | 106.9790 | 107.7100 |
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 | 60895.03388236 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416221 |
| DEC | -29.00687 |
| 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 | 56.551 |
| HIERARCH ESO ISS PBL12 END | 56.539 |
| HIERARCH ESO ISS PBLA12 START | 22.4 |
| HIERARCH ESO ISS PBLA12 END | 23.1 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.426 |
| HIERARCH ESO ISS PBLA13 START | 28.6 |
| HIERARCH ESO ISS PBLA13 END | 29.4 |
| HIERARCH ESO ISS PBL14 START | 129.896 |
| HIERARCH ESO ISS PBL14 END | 130.055 |
| HIERARCH ESO ISS PBLA14 START | 56.418 |
| HIERARCH ESO ISS PBLA14 END | 57.252 |
| HIERARCH ESO ISS PBL23 START | 46.632 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.3 |
| HIERARCH ESO ISS PBLA23 END | 37.1 |
| HIERARCH ESO ISS PBL24 START | 88.868 |
| HIERARCH ESO ISS PBL24 END | 89.084 |
| HIERARCH ESO ISS PBLA24 START | 77.288 |
| HIERARCH ESO ISS PBLA24 END | 78.107 |
| HIERARCH ESO ISS PBL34 START | 61.805 |
| HIERARCH ESO ISS PBL34 END | 62.002 |
| HIERARCH ESO ISS PBLA34 START | 106.979 |
| HIERARCH ESO ISS PBLA34 END | 107.71 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002797 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003284 |
| HIERARCH ESO ISS AMBI TEMP | 13.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 1.07 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |