Exposure
- ID
- GRAVI.2025-07-10T05:08:13.528_2
- Header ID
- GRAVI.2025-07-10T05:08:13.528
- Date updated
- 2025-07-10 05:25:43 UTC+0000
- Release date
- 2026-07-10 05:25:42 UTC+0000
- UTC Start
- 2025-07-10 05:08:13.528
- UTC End
- 2025-07-10 05:14:13.528
- MJD Start
- 60866.21404546
- MJD End
- 60866.21821212667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007932
- Ambient temperature (°C)
- 13.54
- Seeing (arcsec)
- 0.365
Observation
- ID
- 68254
- Category
- science
- Program ID
- 115.27WT.003
- 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
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.1460 | 53.9020 | 36.1000 | 36.5000 |
| U1-U3 | 96.9610 | 96.3980 | 42.4000 | 42.8000 |
| U1-U4 | 118.2500 | 116.9400 | 71.9650 | 72.5430 |
| U2-U3 | 43.5540 | 43.2290 | 50.2000 | 50.7000 |
| U2-U4 | 80.8760 | 79.9170 | 95.0740 | 95.9220 |
| U3-U4 | 58.6630 | 58.2310 | 126.6320 | 127.7350 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60866.21404546 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417606 |
| DEC | -29.00788 |
| 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 | 54.146 |
| HIERARCH ESO ISS PBL12 END | 53.902 |
| HIERARCH ESO ISS PBLA12 START | 36.1 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 96.961 |
| HIERARCH ESO ISS PBL13 END | 96.398 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 118.25 |
| HIERARCH ESO ISS PBL14 END | 116.94 |
| HIERARCH ESO ISS PBLA14 START | 71.965 |
| HIERARCH ESO ISS PBLA14 END | 72.543 |
| HIERARCH ESO ISS PBL23 START | 43.554 |
| HIERARCH ESO ISS PBL23 END | 43.229 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.7 |
| HIERARCH ESO ISS PBL24 START | 80.876 |
| HIERARCH ESO ISS PBL24 END | 79.917 |
| HIERARCH ESO ISS PBLA24 START | 95.074 |
| HIERARCH ESO ISS PBLA24 END | 95.922 |
| HIERARCH ESO ISS PBL34 START | 58.663 |
| HIERARCH ESO ISS PBL34 END | 58.231 |
| HIERARCH ESO ISS PBLA34 START | 126.632 |
| HIERARCH ESO ISS PBLA34 END | 127.735 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00673 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009134 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |