Exposure
- ID
- GRAVI.2025-06-10T02:17:53.020_2
- Header ID
- GRAVI.2025-06-10T02:17:53.020
- Date updated
- 2025-06-10 02:30:50 UTC+0000
- Release date
- 2026-06-10 02:30:50 UTC+0000
- UTC Start
- 2025-06-10 02:17:53.020
- UTC End
- 2025-06-10 02:23:53.020
- MJD Start
- 60836.09575255
- MJD End
- 60836.099919216664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003933
- Ambient temperature (°C)
- 13.54
- 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 | 56.2420 | 56.2510 | 3.2000 | 4.1000 |
| U1-U3 | 100.8670 | 100.9330 | 8.2000 | 9.2000 |
| U1-U4 | 116.9150 | 117.6790 | 32.4590 | 33.8180 |
| U2-U3 | 45.1080 | 45.1830 | 14.4000 | 15.6000 |
| U2-U4 | 73.2310 | 74.2580 | 54.5310 | 55.8720 |
| U3-U4 | 48.4220 | 49.3830 | 91.4180 | 92.1690 |
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 | 60836.09575255 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416539 |
| 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 | 56.242 |
| HIERARCH ESO ISS PBL12 END | 56.251 |
| HIERARCH ESO ISS PBLA12 START | 3.2 |
| HIERARCH ESO ISS PBLA12 END | 4.1 |
| HIERARCH ESO ISS PBL13 START | 100.867 |
| HIERARCH ESO ISS PBL13 END | 100.933 |
| HIERARCH ESO ISS PBLA13 START | 8.2 |
| HIERARCH ESO ISS PBLA13 END | 9.2 |
| HIERARCH ESO ISS PBL14 START | 116.915 |
| HIERARCH ESO ISS PBL14 END | 117.679 |
| HIERARCH ESO ISS PBLA14 START | 32.459 |
| HIERARCH ESO ISS PBLA14 END | 33.818 |
| HIERARCH ESO ISS PBL23 START | 45.108 |
| HIERARCH ESO ISS PBL23 END | 45.183 |
| HIERARCH ESO ISS PBLA23 START | 14.4 |
| HIERARCH ESO ISS PBLA23 END | 15.6 |
| HIERARCH ESO ISS PBL24 START | 73.231 |
| HIERARCH ESO ISS PBL24 END | 74.258 |
| HIERARCH ESO ISS PBLA24 START | 54.531 |
| HIERARCH ESO ISS PBLA24 END | 55.872 |
| HIERARCH ESO ISS PBL34 START | 48.422 |
| HIERARCH ESO ISS PBL34 END | 49.383 |
| HIERARCH ESO ISS PBLA34 START | 91.418 |
| HIERARCH ESO ISS PBLA34 END | 92.169 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004125 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003741 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |