Exposure
- ID
- GRAVI.2025-07-07T04:06:52.099_2
- Header ID
- GRAVI.2025-07-07T04:06:52.099
- Date updated
- 2025-07-07 04:20:41 UTC+0000
- Release date
- 2026-07-07 04:20:41 UTC+0000
- UTC Start
- 2025-07-07 04:06:52.099
- UTC End
- 2025-07-07 04:12:52.099
- MJD Start
- 60863.17143633
- MJD End
- 60863.175602996664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00851
- Ambient temperature (°C)
- 14.23
- Seeing (arcsec)
- 0.405
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 | 56.0070 | 55.9040 | 30.1000 | 30.7000 |
| U1-U3 | 101.2820 | 101.0460 | 36.5000 | 37.1000 |
| U1-U4 | 128.2920 | 127.7620 | 64.8650 | 65.5370 |
| U2-U3 | 46.0450 | 45.9100 | 44.2000 | 44.9000 |
| U2-U4 | 88.2650 | 87.8860 | 86.0780 | 86.8450 |
| U3-U4 | 62.0840 | 61.9150 | 115.7240 | 116.5820 |
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 | 60863.17143633 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416499 |
| DEC | -29.00745 |
| 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 | 56.007 |
| HIERARCH ESO ISS PBL12 END | 55.904 |
| HIERARCH ESO ISS PBLA12 START | 30.1 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 101.282 |
| HIERARCH ESO ISS PBL13 END | 101.046 |
| HIERARCH ESO ISS PBLA13 START | 36.5 |
| HIERARCH ESO ISS PBLA13 END | 37.1 |
| HIERARCH ESO ISS PBL14 START | 128.292 |
| HIERARCH ESO ISS PBL14 END | 127.762 |
| HIERARCH ESO ISS PBLA14 START | 64.865 |
| HIERARCH ESO ISS PBLA14 END | 65.537 |
| HIERARCH ESO ISS PBL23 START | 46.045 |
| HIERARCH ESO ISS PBL23 END | 45.91 |
| HIERARCH ESO ISS PBLA23 START | 44.2 |
| HIERARCH ESO ISS PBLA23 END | 44.9 |
| HIERARCH ESO ISS PBL24 START | 88.265 |
| HIERARCH ESO ISS PBL24 END | 87.886 |
| HIERARCH ESO ISS PBLA24 START | 86.078 |
| HIERARCH ESO ISS PBLA24 END | 86.845 |
| HIERARCH ESO ISS PBL34 START | 62.084 |
| HIERARCH ESO ISS PBL34 END | 61.915 |
| HIERARCH ESO ISS PBLA34 START | 115.724 |
| HIERARCH ESO ISS PBLA34 END | 116.582 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008249 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008771 |
| HIERARCH ESO ISS AMBI TEMP | 14.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |