Exposure
- ID
- GRAVI.2024-07-25T03:37:58.026_2
- Header ID
- GRAVI.2024-07-25T03:37:58.026
- Date updated
- 2024-07-25 03:55:31 UTC+0000
- Release date
- 2025-07-25 03:55:30 UTC+0000
- UTC Start
- 2024-07-25 03:37:58.026
- UTC End
- 2024-07-25 03:44:38.026
- MJD Start
- 60516.15136604
- MJD End
- 60516.15599566963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024409999999999996
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.98
Observation
- ID
- 60143
- 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
- 43558
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681666666667
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 | 55.1110 | 54.9160 | 33.8000 | 34.4000 |
| U1-U3 | 99.2020 | 98.7490 | 40.2000 | 40.7000 |
| U1-U4 | 123.4880 | 122.4250 | 69.1570 | 69.8140 |
| U2-U3 | 44.8470 | 44.5850 | 48.0000 | 48.6000 |
| U2-U4 | 84.7400 | 83.9530 | 91.2430 | 92.1000 |
| U3-U4 | 60.4490 | 60.0810 | 121.7810 | 122.8440 |
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 | 60516.15136604 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.417168 |
| DEC | -29.00737 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 55.111 |
| HIERARCH ESO ISS PBL12 END | 54.916 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.4 |
| HIERARCH ESO ISS PBL13 START | 99.202 |
| HIERARCH ESO ISS PBL13 END | 98.749 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 123.488 |
| HIERARCH ESO ISS PBL14 END | 122.425 |
| HIERARCH ESO ISS PBLA14 START | 69.157 |
| HIERARCH ESO ISS PBLA14 END | 69.814 |
| HIERARCH ESO ISS PBL23 START | 44.847 |
| HIERARCH ESO ISS PBL23 END | 44.585 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 84.74 |
| HIERARCH ESO ISS PBL24 END | 83.953 |
| HIERARCH ESO ISS PBLA24 START | 91.243 |
| HIERARCH ESO ISS PBLA24 END | 92.1 |
| HIERARCH ESO ISS PBL34 START | 60.449 |
| HIERARCH ESO ISS PBL34 END | 60.081 |
| HIERARCH ESO ISS PBLA34 START | 121.781 |
| HIERARCH ESO ISS PBLA34 END | 122.844 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002397 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |