Exposure
- ID
- GRAVI.2024-06-26T06:23:29.249_2
- Header ID
- GRAVI.2024-06-26T06:23:29.249
- Date updated
- 2024-06-26 06:40:33 UTC+0000
- Release date
- 2025-06-26 06:40:33 UTC+0000
- UTC Start
- 2024-06-26 06:23:29.249
- UTC End
- 2024-06-26 06:29:29.249
- MJD Start
- 60487.26631075
- MJD End
- 60487.2704774167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00265
- Ambient temperature (°C)
- 11.3
- Seeing (arcsec)
- 0.59
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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
- 266.417083333333
- DEC
- -29.0076816944444
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 | 53.2890 | 52.9980 | 37.4000 | 37.8000 |
| U1-U3 | 94.9850 | 94.3160 | 43.7000 | 44.1000 |
| U1-U4 | 113.6740 | 112.1370 | 73.8500 | 74.4110 |
| U2-U3 | 42.4170 | 42.0340 | 51.6000 | 52.0000 |
| U2-U4 | 77.5420 | 76.4340 | 97.9280 | 98.8330 |
| U3-U4 | 57.1830 | 56.7050 | 130.3750 | 131.5760 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60487.26631075 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417093 |
| DEC | -29.00678 |
| 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 | 53.289 |
| HIERARCH ESO ISS PBL12 END | 52.998 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 94.985 |
| HIERARCH ESO ISS PBL13 END | 94.316 |
| HIERARCH ESO ISS PBLA13 START | 43.7 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.674 |
| HIERARCH ESO ISS PBL14 END | 112.137 |
| HIERARCH ESO ISS PBLA14 START | 73.85 |
| HIERARCH ESO ISS PBLA14 END | 74.411 |
| HIERARCH ESO ISS PBL23 START | 42.417 |
| HIERARCH ESO ISS PBL23 END | 42.034 |
| HIERARCH ESO ISS PBLA23 START | 51.6 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 77.542 |
| HIERARCH ESO ISS PBL24 END | 76.434 |
| HIERARCH ESO ISS PBLA24 START | 97.928 |
| HIERARCH ESO ISS PBLA24 END | 98.833 |
| HIERARCH ESO ISS PBL34 START | 57.183 |
| HIERARCH ESO ISS PBL34 END | 56.705 |
| HIERARCH ESO ISS PBLA34 START | 130.375 |
| HIERARCH ESO ISS PBLA34 END | 131.576 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00265 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00265 |
| HIERARCH ESO ISS AMBI TEMP | 11.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |