Exposure
- ID
- GRAVI.2025-08-07T23:57:41.306_1
- Header ID
- GRAVI.2025-08-07T23:57:41.306
- Date updated
- 2025-08-08 00:15:47 UTC+0000
- Release date
- 2026-08-08 00:15:47 UTC+0000
- UTC Start
- 2025-08-07 23:57:41.306
- UTC End
- 2025-08-08 00:03:41.306
- MJD Start
- 60894.99839475
- MJD End
- 60895.002561416666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004281
- Ambient temperature (°C)
- 13.1
- Seeing (arcsec)
- 0.6799999999999999
Observation
- ID
- 69531
- 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
- 51641
- Name
- SGRA
- RA
- 266.416184
- DEC
- -29.007
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4970 | 56.5140 | 16.0000 | 16.8000 |
| U1-U3 | 102.0820 | 102.1570 | 22.0000 | 22.9000 |
| U1-U4 | 126.9250 | 127.4480 | 49.1780 | 50.1610 |
| U2-U3 | 46.2760 | 46.3440 | 29.3000 | 30.3000 |
| U2-U4 | 85.4450 | 86.0350 | 70.4030 | 71.3230 |
| U3-U4 | 58.9880 | 59.4660 | 101.4240 | 102.1090 |
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 | 60894.99839475 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416184 |
| DEC | -29.007 |
| 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 | 56.497 |
| HIERARCH ESO ISS PBL12 END | 56.514 |
| HIERARCH ESO ISS PBLA12 START | 16.0 |
| HIERARCH ESO ISS PBLA12 END | 16.8 |
| HIERARCH ESO ISS PBL13 START | 102.082 |
| HIERARCH ESO ISS PBL13 END | 102.157 |
| HIERARCH ESO ISS PBLA13 START | 22.0 |
| HIERARCH ESO ISS PBLA13 END | 22.9 |
| HIERARCH ESO ISS PBL14 START | 126.925 |
| HIERARCH ESO ISS PBL14 END | 127.448 |
| HIERARCH ESO ISS PBLA14 START | 49.178 |
| HIERARCH ESO ISS PBLA14 END | 50.161 |
| HIERARCH ESO ISS PBL23 START | 46.276 |
| HIERARCH ESO ISS PBL23 END | 46.344 |
| HIERARCH ESO ISS PBLA23 START | 29.3 |
| HIERARCH ESO ISS PBLA23 END | 30.3 |
| HIERARCH ESO ISS PBL24 START | 85.445 |
| HIERARCH ESO ISS PBL24 END | 86.035 |
| HIERARCH ESO ISS PBLA24 START | 70.403 |
| HIERARCH ESO ISS PBLA24 END | 71.323 |
| HIERARCH ESO ISS PBL34 START | 58.988 |
| HIERARCH ESO ISS PBL34 END | 59.466 |
| HIERARCH ESO ISS PBLA34 START | 101.424 |
| HIERARCH ESO ISS PBLA34 END | 102.109 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004243 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004319 |
| HIERARCH ESO ISS AMBI TEMP | 13.1 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |