Exposure
- ID
- GRAVI.2024-07-18T03:32:27.539_2
- Header ID
- GRAVI.2024-07-18T03:32:27.539
- Date updated
- 2024-07-18 08:45:42 UTC+0000
- Release date
- 2025-07-18 08:45:39 UTC+0000
- UTC Start
- 2024-07-18 03:32:27.539
- UTC End
- 2024-07-18 03:38:27.539
- MJD Start
- 60509.14754096
- MJD End
- 60509.15170762667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009601
- Ambient temperature (°C)
- 17.21
- Seeing (arcsec)
- 0.36
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 55.8470 | 55.7270 | 31.0000 | 31.6000 |
| U1-U3 | 100.9120 | 100.6340 | 37.4000 | 38.0000 |
| U1-U4 | 127.4600 | 126.8250 | 65.8850 | 66.5440 |
| U2-U3 | 45.8330 | 45.6740 | 45.2000 | 45.8000 |
| U2-U4 | 87.6670 | 87.2030 | 87.2460 | 88.0190 |
| U3-U4 | 61.8160 | 61.6030 | 117.0370 | 117.9250 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.14754096 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 55.847 |
| HIERARCH ESO ISS PBL12 END | 55.727 |
| HIERARCH ESO ISS PBLA12 START | 31.0 |
| HIERARCH ESO ISS PBLA12 END | 31.6 |
| HIERARCH ESO ISS PBL13 START | 100.912 |
| HIERARCH ESO ISS PBL13 END | 100.634 |
| HIERARCH ESO ISS PBLA13 START | 37.4 |
| HIERARCH ESO ISS PBLA13 END | 38.0 |
| HIERARCH ESO ISS PBL14 START | 127.46 |
| HIERARCH ESO ISS PBL14 END | 126.825 |
| HIERARCH ESO ISS PBLA14 START | 65.885 |
| HIERARCH ESO ISS PBLA14 END | 66.544 |
| HIERARCH ESO ISS PBL23 START | 45.833 |
| HIERARCH ESO ISS PBL23 END | 45.674 |
| HIERARCH ESO ISS PBLA23 START | 45.2 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 87.667 |
| HIERARCH ESO ISS PBL24 END | 87.203 |
| HIERARCH ESO ISS PBLA24 START | 87.246 |
| HIERARCH ESO ISS PBLA24 END | 88.019 |
| HIERARCH ESO ISS PBL34 START | 61.816 |
| HIERARCH ESO ISS PBL34 END | 61.603 |
| HIERARCH ESO ISS PBLA34 START | 117.037 |
| HIERARCH ESO ISS PBLA34 END | 117.925 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00975 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009452 |
| HIERARCH ESO ISS AMBI TEMP | 17.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |