Exposure
- ID
- GRAVI.2025-05-12T08:21:16.924_1
- Header ID
- GRAVI.2025-05-12T08:21:16.924
- Date updated
- 2025-05-12 19:50:48 UTC+0000
- Release date
- 2026-05-12 19:50:47 UTC+0000
- UTC Start
- 2025-05-12 08:21:16.924
- UTC End
- 2025-05-12 08:27:16.924
- MJD Start
- 60807.34811255
- MJD End
- 60807.35227921666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008254500000000001
- Ambient temperature (°C)
- 17.46
- Seeing (arcsec)
- 0.41500000000000004
Observation
- ID
- 67265
- Category
- science
- Program ID
- 115.27WT.001
- 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
- 50007
- Name
- SGRA
- RA
- 266.416467
- DEC
- -29.0075
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3340 | 55.1700 | 33.1000 | 33.7000 |
| U1-U3 | 99.7210 | 99.3380 | 39.5000 | 40.0000 |
| U1-U4 | 124.7020 | 123.8060 | 68.3230 | 68.9470 |
| U2-U3 | 45.1470 | 44.9250 | 47.3000 | 47.8000 |
| U2-U4 | 85.6390 | 84.9750 | 90.1820 | 90.9730 |
| U3-U4 | 60.8710 | 60.5600 | 120.4870 | 121.4500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60807.34811255 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416467 |
| DEC | -29.0075 |
| 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 | 55.334 |
| HIERARCH ESO ISS PBL12 END | 55.17 |
| HIERARCH ESO ISS PBLA12 START | 33.1 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 99.721 |
| HIERARCH ESO ISS PBL13 END | 99.338 |
| HIERARCH ESO ISS PBLA13 START | 39.5 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 124.702 |
| HIERARCH ESO ISS PBL14 END | 123.806 |
| HIERARCH ESO ISS PBLA14 START | 68.323 |
| HIERARCH ESO ISS PBLA14 END | 68.947 |
| HIERARCH ESO ISS PBL23 START | 45.147 |
| HIERARCH ESO ISS PBL23 END | 44.925 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.8 |
| HIERARCH ESO ISS PBL24 START | 85.639 |
| HIERARCH ESO ISS PBL24 END | 84.975 |
| HIERARCH ESO ISS PBLA24 START | 90.182 |
| HIERARCH ESO ISS PBLA24 END | 90.973 |
| HIERARCH ESO ISS PBL34 START | 60.871 |
| HIERARCH ESO ISS PBL34 END | 60.56 |
| HIERARCH ESO ISS PBLA34 START | 120.487 |
| HIERARCH ESO ISS PBLA34 END | 121.45 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009397 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007112 |
| HIERARCH ESO ISS AMBI TEMP | 17.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |