Exposure
- ID
- GRAVI.2025-05-12T08:43:01.980_2
- Header ID
- GRAVI.2025-05-12T08:43:01.980
- 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 08:43:01.980
- UTC End
- 2025-05-12 08:49:01.980
- MJD Start
- 60807.36321736
- MJD End
- 60807.367384026664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006823
- Ambient temperature (°C)
- 17.52
- Seeing (arcsec)
- 0.375
Observation
- ID
- 67241
- 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
- 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 | 54.7300 | 54.5220 | 34.8000 | 35.3000 |
| U1-U3 | 98.3160 | 97.8330 | 41.2000 | 41.7000 |
| U1-U4 | 121.4130 | 120.2820 | 70.3890 | 70.9870 |
| U2-U3 | 44.3350 | 44.0560 | 49.0000 | 49.5000 |
| U2-U4 | 83.2050 | 82.3710 | 92.8700 | 93.6890 |
| U3-U4 | 59.7330 | 59.3460 | 123.8100 | 124.8500 |
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 | 60807.36321736 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416449 |
| DEC | -29.00752 |
| 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 | 54.73 |
| HIERARCH ESO ISS PBL12 END | 54.522 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 35.3 |
| HIERARCH ESO ISS PBL13 START | 98.316 |
| HIERARCH ESO ISS PBL13 END | 97.833 |
| HIERARCH ESO ISS PBLA13 START | 41.2 |
| HIERARCH ESO ISS PBLA13 END | 41.7 |
| HIERARCH ESO ISS PBL14 START | 121.413 |
| HIERARCH ESO ISS PBL14 END | 120.282 |
| HIERARCH ESO ISS PBLA14 START | 70.389 |
| HIERARCH ESO ISS PBLA14 END | 70.987 |
| HIERARCH ESO ISS PBL23 START | 44.335 |
| HIERARCH ESO ISS PBL23 END | 44.056 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 49.5 |
| HIERARCH ESO ISS PBL24 START | 83.205 |
| HIERARCH ESO ISS PBL24 END | 82.371 |
| HIERARCH ESO ISS PBLA24 START | 92.87 |
| HIERARCH ESO ISS PBLA24 END | 93.689 |
| HIERARCH ESO ISS PBL34 START | 59.733 |
| HIERARCH ESO ISS PBL34 END | 59.346 |
| HIERARCH ESO ISS PBLA34 START | 123.81 |
| HIERARCH ESO ISS PBLA34 END | 124.85 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007071 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006575 |
| HIERARCH ESO ISS AMBI TEMP | 17.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |