Exposure
- ID
- GRAVI.2024-07-25T02:59:27.927_2
- Header ID
- GRAVI.2024-07-25T02:59:27.927
- Date updated
- 2024-07-25 03:10:36 UTC+0000
- Release date
- 2025-07-25 03:10:35 UTC+0000
- UTC Start
- 2024-07-25 02:59:27.927
- UTC End
- 2024-07-25 03:01:27.927
- MJD Start
- 60516.12462879
- MJD End
- 60516.1260176789
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002662
- Ambient temperature (°C)
- 13.32
- Seeing (arcsec)
- 0.865
Observation
- ID
- 60179
- 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
- 44682
- Name
- IRS16SW
- RA
- 266.417179583333
- DEC
- -29.0081151944444
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 | 55.9380 | 55.9020 | 30.5000 | 30.7000 |
| U1-U3 | 101.1240 | 101.0410 | 36.9000 | 37.1000 |
| U1-U4 | 127.9390 | 127.7530 | 65.3250 | 65.5510 |
| U2-U3 | 45.9550 | 45.9070 | 44.7000 | 44.9000 |
| U2-U4 | 88.0130 | 87.8790 | 86.6000 | 86.8590 |
| U3-U4 | 61.9730 | 61.9120 | 116.3060 | 116.5980 |
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 | 60516.12462879 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16C |
| RA | 266.417168 |
| DEC | -29.00737 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 135.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 55.938 |
| HIERARCH ESO ISS PBL12 END | 55.902 |
| HIERARCH ESO ISS PBLA12 START | 30.5 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 101.124 |
| HIERARCH ESO ISS PBL13 END | 101.041 |
| HIERARCH ESO ISS PBLA13 START | 36.9 |
| HIERARCH ESO ISS PBLA13 END | 37.1 |
| HIERARCH ESO ISS PBL14 START | 127.939 |
| HIERARCH ESO ISS PBL14 END | 127.753 |
| HIERARCH ESO ISS PBLA14 START | 65.325 |
| HIERARCH ESO ISS PBLA14 END | 65.551 |
| HIERARCH ESO ISS PBL23 START | 45.955 |
| HIERARCH ESO ISS PBL23 END | 45.907 |
| HIERARCH ESO ISS PBLA23 START | 44.7 |
| HIERARCH ESO ISS PBLA23 END | 44.9 |
| HIERARCH ESO ISS PBL24 START | 88.013 |
| HIERARCH ESO ISS PBL24 END | 87.879 |
| HIERARCH ESO ISS PBLA24 START | 86.6 |
| HIERARCH ESO ISS PBLA24 END | 86.859 |
| HIERARCH ESO ISS PBL34 START | 61.973 |
| HIERARCH ESO ISS PBL34 END | 61.912 |
| HIERARCH ESO ISS PBLA34 START | 116.306 |
| HIERARCH ESO ISS PBLA34 END | 116.598 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00285 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002474 |
| HIERARCH ESO ISS AMBI TEMP | 13.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16SW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1231 |
| HIERARCH ESO FT ROBJ DELTA | -290029.2147 |