Exposure
- ID
- GRAVI.2024-06-23T06:36:12.723_2
- Header ID
- GRAVI.2024-06-23T06:36:12.723
- Date updated
- 2024-06-23 06:50:35 UTC+0000
- Release date
- 2025-06-23 06:50:35 UTC+0000
- UTC Start
- 2024-06-23 06:36:12.723
- UTC End
- 2024-06-23 06:42:12.723
- MJD Start
- 60484.27514726
- MJD End
- 60484.2793139267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.2
- Seeing (arcsec)
- 0.62
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 | 53.2490 | 52.9550 | 37.5000 | 37.9000 |
| U1-U3 | 94.8930 | 94.2180 | 43.8000 | 44.1000 |
| U1-U4 | 113.4610 | 111.9110 | 73.9300 | 74.4920 |
| U2-U3 | 42.3640 | 41.9780 | 51.7000 | 52.0000 |
| U2-U4 | 77.3890 | 76.2710 | 98.0550 | 98.9650 |
| U3-U4 | 57.1160 | 56.6350 | 130.5430 | 131.7510 |
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 | 60484.27514726 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416842 |
| DEC | -29.00726 |
| 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 | 53.249 |
| HIERARCH ESO ISS PBL12 END | 52.955 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.9 |
| HIERARCH ESO ISS PBL13 START | 94.893 |
| HIERARCH ESO ISS PBL13 END | 94.218 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.461 |
| HIERARCH ESO ISS PBL14 END | 111.911 |
| HIERARCH ESO ISS PBLA14 START | 73.93 |
| HIERARCH ESO ISS PBLA14 END | 74.492 |
| HIERARCH ESO ISS PBL23 START | 42.364 |
| HIERARCH ESO ISS PBL23 END | 41.978 |
| HIERARCH ESO ISS PBLA23 START | 51.7 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 77.389 |
| HIERARCH ESO ISS PBL24 END | 76.271 |
| HIERARCH ESO ISS PBLA24 START | 98.055 |
| HIERARCH ESO ISS PBLA24 END | 98.965 |
| HIERARCH ESO ISS PBL34 START | 57.116 |
| HIERARCH ESO ISS PBL34 END | 56.635 |
| HIERARCH ESO ISS PBLA34 START | 130.543 |
| HIERARCH ESO ISS PBLA34 END | 131.751 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |