Exposure
- ID
- GRAVI.2025-08-09T23:57:41.753_1
- Header ID
- GRAVI.2025-08-09T23:57:41.753
- Date updated
- 2025-08-10 00:10:47 UTC+0000
- Release date
- 2026-08-10 00:10:47 UTC+0000
- UTC Start
- 2025-08-09 23:57:41.753
- UTC End
- 2025-08-10 00:03:41.753
- MJD Start
- 60896.99839992
- MJD End
- 60897.00256658666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004194
- Ambient temperature (°C)
- 12.91
- Seeing (arcsec)
- 0.765
Observation
- ID
- 69664
- 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
- 51728
- Name
- SGRA
- RA
- 266.416693
- DEC
- -29.00648
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5170 | 56.5320 | 17.0000 | 17.8000 |
| U1-U3 | 102.1720 | 102.2400 | 23.1000 | 23.9000 |
| U1-U4 | 127.5570 | 128.0350 | 50.3720 | 51.3330 |
| U2-U3 | 46.3580 | 46.4190 | 30.5000 | 31.4000 |
| U2-U4 | 86.1590 | 86.6990 | 71.5200 | 72.4230 |
| U3-U4 | 59.5660 | 60.0030 | 102.2590 | 102.9510 |
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 | 60896.99839992 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416693 |
| DEC | -29.00648 |
| 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 | 56.517 |
| HIERARCH ESO ISS PBL12 END | 56.532 |
| HIERARCH ESO ISS PBLA12 START | 17.0 |
| HIERARCH ESO ISS PBLA12 END | 17.8 |
| HIERARCH ESO ISS PBL13 START | 102.172 |
| HIERARCH ESO ISS PBL13 END | 102.24 |
| HIERARCH ESO ISS PBLA13 START | 23.1 |
| HIERARCH ESO ISS PBLA13 END | 23.9 |
| HIERARCH ESO ISS PBL14 START | 127.557 |
| HIERARCH ESO ISS PBL14 END | 128.035 |
| HIERARCH ESO ISS PBLA14 START | 50.372 |
| HIERARCH ESO ISS PBLA14 END | 51.333 |
| HIERARCH ESO ISS PBL23 START | 46.358 |
| HIERARCH ESO ISS PBL23 END | 46.419 |
| HIERARCH ESO ISS PBLA23 START | 30.5 |
| HIERARCH ESO ISS PBLA23 END | 31.4 |
| HIERARCH ESO ISS PBL24 START | 86.159 |
| HIERARCH ESO ISS PBL24 END | 86.699 |
| HIERARCH ESO ISS PBLA24 START | 71.52 |
| HIERARCH ESO ISS PBLA24 END | 72.423 |
| HIERARCH ESO ISS PBL34 START | 59.566 |
| HIERARCH ESO ISS PBL34 END | 60.003 |
| HIERARCH ESO ISS PBLA34 START | 102.259 |
| HIERARCH ESO ISS PBLA34 END | 102.951 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004034 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004354 |
| HIERARCH ESO ISS AMBI TEMP | 12.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |