Exposure
- ID
- GRAVI.2025-06-10T02:35:02.064_2
- Header ID
- GRAVI.2025-06-10T02:35:02.064
- Date updated
- 2025-06-10 02:50:39 UTC+0000
- Release date
- 2026-06-10 02:50:39 UTC+0000
- UTC Start
- 2025-06-10 02:35:02.064
- UTC End
- 2025-06-10 02:41:02.064
- MJD Start
- 60836.10766278
- MJD End
- 60836.111829446665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042865
- Ambient temperature (°C)
- 13.47
- Seeing (arcsec)
- 0.59
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
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 | 56.2710 | 56.2860 | 5.6000 | 6.6000 |
| U1-U3 | 101.0550 | 101.1350 | 10.9000 | 11.9000 |
| U1-U4 | 118.9480 | 119.7130 | 35.9960 | 37.2720 |
| U2-U3 | 45.3140 | 45.3960 | 17.4000 | 18.5000 |
| U2-U4 | 75.9180 | 76.8940 | 57.9940 | 59.2230 |
| U3-U4 | 50.9010 | 51.7750 | 93.3820 | 94.1000 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.10766278 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416542 |
| DEC | -29.00738 |
| 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 | 56.271 |
| HIERARCH ESO ISS PBL12 END | 56.286 |
| HIERARCH ESO ISS PBLA12 START | 5.6 |
| HIERARCH ESO ISS PBLA12 END | 6.6 |
| HIERARCH ESO ISS PBL13 START | 101.055 |
| HIERARCH ESO ISS PBL13 END | 101.135 |
| HIERARCH ESO ISS PBLA13 START | 10.9 |
| HIERARCH ESO ISS PBLA13 END | 11.9 |
| HIERARCH ESO ISS PBL14 START | 118.948 |
| HIERARCH ESO ISS PBL14 END | 119.713 |
| HIERARCH ESO ISS PBLA14 START | 35.996 |
| HIERARCH ESO ISS PBLA14 END | 37.272 |
| HIERARCH ESO ISS PBL23 START | 45.314 |
| HIERARCH ESO ISS PBL23 END | 45.396 |
| HIERARCH ESO ISS PBLA23 START | 17.4 |
| HIERARCH ESO ISS PBLA23 END | 18.5 |
| HIERARCH ESO ISS PBL24 START | 75.918 |
| HIERARCH ESO ISS PBL24 END | 76.894 |
| HIERARCH ESO ISS PBLA24 START | 57.994 |
| HIERARCH ESO ISS PBLA24 END | 59.223 |
| HIERARCH ESO ISS PBL34 START | 50.901 |
| HIERARCH ESO ISS PBL34 END | 51.775 |
| HIERARCH ESO ISS PBLA34 START | 93.382 |
| HIERARCH ESO ISS PBLA34 END | 94.1 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004934 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003639 |
| HIERARCH ESO ISS AMBI TEMP | 13.47 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |