Exposure
- ID
- GRAVI.2024-07-18T04:09:06.631_2
- Header ID
- GRAVI.2024-07-18T04:09:06.631
- Date updated
- 2024-07-18 08:50:34 UTC+0000
- Release date
- 2025-07-18 08:50:31 UTC+0000
- UTC Start
- 2024-07-18 04:09:06.631
- UTC End
- 2024-07-18 04:15:06.631
- MJD Start
- 60509.17299342
- MJD End
- 60509.1771600867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078605
- Ambient temperature (°C)
- 16.46
- Seeing (arcsec)
- 0.435
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
- 266.417083333333
- 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 | 55.0110 | 54.8220 | 34.1000 | 34.6000 |
| U1-U3 | 98.9690 | 98.5290 | 40.5000 | 41.0000 |
| U1-U4 | 122.9410 | 121.9120 | 69.5030 | 70.1120 |
| U2-U3 | 44.7120 | 44.4580 | 48.3000 | 48.8000 |
| U2-U4 | 84.3350 | 83.5740 | 91.6910 | 92.4960 |
| U3-U4 | 60.2600 | 59.9040 | 122.3340 | 123.3390 |
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 | 60509.17299342 |
| 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 | 55.011 |
| HIERARCH ESO ISS PBL12 END | 54.822 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 98.969 |
| HIERARCH ESO ISS PBL13 END | 98.529 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 122.941 |
| HIERARCH ESO ISS PBL14 END | 121.912 |
| HIERARCH ESO ISS PBLA14 START | 69.503 |
| HIERARCH ESO ISS PBLA14 END | 70.112 |
| HIERARCH ESO ISS PBL23 START | 44.712 |
| HIERARCH ESO ISS PBL23 END | 44.458 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 84.335 |
| HIERARCH ESO ISS PBL24 END | 83.574 |
| HIERARCH ESO ISS PBLA24 START | 91.691 |
| HIERARCH ESO ISS PBLA24 END | 92.496 |
| HIERARCH ESO ISS PBL34 START | 60.26 |
| HIERARCH ESO ISS PBL34 END | 59.904 |
| HIERARCH ESO ISS PBLA34 START | 122.334 |
| HIERARCH ESO ISS PBLA34 END | 123.339 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008364 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007357 |
| HIERARCH ESO ISS AMBI TEMP | 16.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |